How to connect an external drive to your phone via USB

AndroidPIT usb on the go 8810
© NextPit

Whether you are using your Android smartphone as a game console, a multimedia server, or a camera, most of us will, at some point, maybe required to connect it to external peripherals like hard drives, USB sticks, or even a keyboard/mouse. For most of these functions to work, your smartphone needs to support a standard known as USB OTG. In this article, we explain how to use USB OTG on your Android device.

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In case you weren't aware, the USB OTG standard has been around for quite some time. As a USB standard, it allows your smartphone to connect to several peripherals. Over the years, USB OTG has been used for several purposes like flashing ROMs stored on a USB drive, or even trying to connect external hard drives to your smartphone.

USB OTG also lets accessories like mice and a keyboard be connected to your phone. This could be useful in scenarios where your screen becomes unresponsive and you may be required to connect your phone to an external display.

Is your smartphone USB OTG compatible?

To connect a hard disk or USB stick to an Android tablet or device, it must be USB OTG (On The Go) compatible. But how do you know if it is compatible? It's simple, just check the manufacturer's website or the box of your device.

AndroidPIT usb on the go 8596
Connecting a USB device to your smartphone is easy with the right equipment. / © NextPit

If your smartphone is really old, if you no longer have the box, or if you are not sure of its model number, you can use a USB OTG Checker app for the same. That said, USB OTG is natively present on  Android since Honeycomb (3.1) so it is more than likely that your device is already compatible than not.

The app that Nextpit recommends for verifying USB OTG Support is called the USB OTG Checker. It is a free app and you can download it from the Google Play Store

A word about power for larger capacity drives

When you connect an external hard drive to your laptop or PC, the drive itself is powered by your computer. The same is true when you connect your storage to your Android phone. However, most smartphones are not capable of pushing out quite as much power as a computer, and this can lead to problems.

Most smartphones can only provide about 0.5A of power. If your external drive requires more than this, it will simply not work. Hard drives need a bit more juice when starting up. This is because of the motor inside. If you find that your 1TB drive keeps disconnecting, this is probably your issue.

usb otg power
You might need a USB OTG that allows you to connect a power bank. / © Amazon

You can solve this problem by adding an additional power source. You'll need to get hold of an adapter that will allow you to connect a power bank as well as the connection to your device. Do this, and you should have no problems connecting your external storage to your Android smartphone. Just make sure you connect the power bank and phone first, then the external drive last.

Advantages and disadvantages of USB OTG

You might already be familiar with USB OTG without knowing its name. Anytime you connect a keyboard or mouse to your Android smartphone, you use OTG technology, and it's no more complicated to connect a hard disk to your smartphone than to connect a mouse to it. That said, there are a few conditions to be sure that your external drive will be recognized.

All USB-compatible devices can be used as long as they do not require an external power supply. In addition, your storage device (hard disk or USB stick) must be in FAT32 format. NTFS media will not be recognized. If your disk/key is not in this format, you can, of course, format it and put it in FAT32 but you will lose any data on it before the reformatting, so be sure to save it somewhere else beforehand.

Buy an OTG USB cable

Once you have determined that your device is OTG compatible, you can continue and go to your preferred store and purchase a USB OTG cable. Try to buy an OTG cable of good quality. It is always a good idea to read some of the reviews before you purchase one online. Beware of cheap quality products and avoid them as much as possible.

Ideally, you should opt for an angled cable like the one shown in the picture below. Do note that you should also pay attention to the type of USB cable when purchasing: if your phone uses a USB Type-C port, the OTG cable should also be on the same type.

comment brancher usb otg tablette smartphone
An angled cable is more suitable for most smartphones. Also, check your port type before buying one / © Amazon

Connect your USB drive or accessory to your tablet

Connecting a USB Drive or even a portable hard drive is a very easy thing to do. Connect the OTG cable to your smartphone and plug in the flash drive or hard drive to the other end. In the case of hard drives, most phones should have no problems recognizing them. If you do end up facing issues, it could be because the phone isn't supplying enough power to the drive. In such scenarios, please try the aforementioned power bank technique and try again.

To manage files on the hard drive or USB stick connected to your smartphone, simply use a file explorer. When the device is plugged in, a new folder appears. It is called USBDriveA in general, but this may vary depending on the phone you are using. You may also be asked to grant a one-time permission to access the hard drive. 

usb c to OTG android pie
Once connected, you can move files to and from your device easily. / © NextPit

If you're having trouble finding it, simply tap the slash button ("/") to return to the root of your smartphone. What's the difference from a cloud, you might say? No need for an internet connection, for one.

What other things can I do with USB OTG?

Connect a mouse or keyboard

This is one of the most typical ways to use USB OTG. It's possible to couple your smartphone or tablet with peripheral devices, such as a mouse or a keyboard, which you can then use to control it. There are some restrictions – for example, gaming mice with a billion buttons might not be fully compatible – but for the most part, the basic operations are enabled.

Just plug in a USB mouse and you will automatically see its cursor appear on your display. This is also a great way to use your device if the touchscreen is broken. Alternatively, connect an external keyboard to turn a tablet into a laptop.

AndroidPIT usb on the go 8580
Connect a mouse for plug-and-play cursor action. / © ANDROIDPIT

Connect a MIDI keyboard

If you fancy making music on Android, USB OTG enables you to connect devices such as MIDI keyboards and controllers, audio inputs for instruments and vocals, and various controllers that can turn your phone or tablet into a serious music-making machine.

Connect a game controller

Enjoy mobile gaming but yearn for a bit more control? Why not connect a gamepad to your smartphone? Using a wired Xbox 360 controller is an easy way to do this: just connect it to your phone with a USB OTG cable, launch a game and it should work right away, no configuration required.

What is your favorite use for USB OTG? Let us know in the comments.

Pierre Vitré

Pierre Vitré

Pierre has a strong passion for new technologies and mobile since its first StarTac. Android user since 2011, Pierre became totally hooked. He never leaves his smartphone and smartwatch and still believes in the success of Google Glass. That's why he joined to be the head of content.

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  • PKu Oct 18, 2021 Link to comment

    Can you give a link (just for an example) or name of the type of adapter that can allow to connect a power bank as well as the connection to a smartphone?

  • Stephen Slone Apr 14, 2021 Link to comment

    I have an old laptop with an internal hard drive. Is there anyway I can remove the hard drive and download files to my phone?

  • Wyn Oct 30, 2019 Link to comment

    I use otg to connect my hard disk to my phone but still i cannot copy files and open my files on my hardisk.. What shall i do..? Some say needs power supply for my hardisk

  • mohammed Sep 26, 2018 Link to comment

  • Sorin Jan 17, 2018 Link to comment

    I used a wireless mouse and connected the adapter to the smartphone via an OTG cable and went perfectly. I also copied photos from an SD memory card from the camera via an SD reader. I did not try, but even the Internet can be accessed by using a NET to USB adapter, the connection speed being much higher than Wi-Fi. Also, using an OTG cable, you can charge the battery to another phone!

  • Dwarfer66 Jan 17, 2018 Link to comment

    Wow, rehash of a VERY OLD article.

    • Dean L. Jan 18, 2018 Link to comment

      At least it brings the article back up to the top and it's relevant if not much has changed. Saves me from having to search for it. And this is something I'm interested in looking into. Just saying.

  • thenext Jan 16, 2018 Link to comment

    thanks works for me

  • Laurentiu Mihail Dec 25, 2017 Link to comment

    I just made a mistake, I hope it's not huge and without consequences.

    I bought a USB hub 3.0 with OTG function, the main unit has a USB plug that connects to the computer and on the same cable a OTG microUSB 2.0 plug.

    Without reading the manual I connected the usb plug to the computer and the OTG microUSB plug to the phone, of course it didn't sync or charge with the computer. The producer mention that in order to work you have to not connect simultaneously, but only one a time ( pc or phone ).

    Any damages could appear after such a wrong connection, or there are safety measures/ mechanism in order to avoid damages to the pc, phone and the hub itself ?

    Best regards,

  • Ted Cooper Jun 12, 2017 Link to comment

    I just bought another OTG connector. THis one has the microSD card reader built in for microUSB and standard USB. As I have said earlier, the GoPro Hero 4 is very "hit and miss" to see the photos and stills that are on the camera and get them moved to tablet. But my Hawkeye S7 camera works every time. Why the difference?

    If I remove the SD card from camera and hook it to OTG cable, then I always get to see the photos and videos. So it cannot be a format (Fat32 vs NTFS) difference. There is something about the USB connection in the cameras that make one type work EVERYTIME and other camera software work SOME-OF-THE-TIME. Any hints as to what is happening here?

  • jannis kafkoulas Apr 2, 2017 Link to comment

    Hi, I have managed to see the USB device contents connected to my Galaxy S2 where the total commander is installed.
    My question now is how to transfer data from the S2 to the USB device.
    Important to know: USB device volume information on top of the total commander: "[NTFS] (Readonly)..."
    So it looks like it wouldn't be possible to paste data on the USB device because it's not writable.

    And on the other hand you obviously can't copy folders on S2 (or other android phones), so you have to check all files in that folder separately (about 1000 in my case)...

    And when I click on a folder in Total Commander then the folder is checked and I can copy that folder to the clipboard
    but there's no "paste" under my "My Files" in order to transfer the data onto my S2.

    • Ted Cooper Jun 12, 2017 Link to comment

      go to Google Play and download USB Stick application. THat works with Total commander to give you both Fat32 and NTFS support on your device. Spend the $.99 to get the non-advertised version. Certain devices (GoPro camera Hero 4 are hit and miss with this setup. Other cameras work every time). tjcooper

  • George Nezlek Dec 29, 2016 Link to comment

    If only it were that easy. Many devices that appear to have OTG support for things such as removable storage are utterly useless with respect to keyboards and mice. Some work, some don't. It is a very "hit or miss" proposition. I have kit kat devices where it works perfectly and marshmallow devices where nothing works. Much of the effectiveness of OTG seems to hinge on the vendor providing the Android build.

    • Patsy Dec 29, 2016 Link to comment

      so, can I try this cable and see if it works? Could something blow up if I do? ;-) Can I use another cable to connect the tablet with the computer? The one that connects my camera to the computer (if the connection fits properly)? (don't understand your kitkat and marshmallow references!!) thanks,,,,,

  • Patsy Dec 27, 2016 Link to comment

    I got myself a $40 fire tablet from amazon. An icon, "photo importer" says "To import photos and videos from your camera, connect it with an OTG cable." Think I could plug it into my computer? To transfer one picture at a time ?

  • Matson Uzumaki Nov 9, 2016 Link to comment

    Galera to com dificuldade em conectar meu controle xbox no meu smartfone J3. Ja baixei os app joystick center e o joy2touch so que quando aperto no botao j>t da erro dev/uinput como se nao conseguisse acessar a pasta. JA tentei resolver com o selinux mais nao obtive sucesso.

  • Nataline Vaughan Oct 24, 2016 Link to comment

    If someone could help that would be great. My Note 4 is locked and pin protected. My lcd screen doesn't work. I read a thread on another website saying he bought an usb otg cable and plugged it into a keyboard and his phone and allowed him to use his keyboard to enter his pin to unlock the phone then used Kies 3 to back it up. Is this actually possible? If I buy it, can I plug it into my computer and locked cell phone w a black screen and unlock my phone? Where would it tell me to enter the pin to unlock my phone? I need both audio and pictures off my phone.

    I have since figured out how to unlocked my cell. I had it registered through Samsung's Find my phone app, which unlocked my phone and allowed apps on my pc to back it up

    • Show-real Studios Oct 29, 2016 Link to comment

      Actually if the lcd is broken... stylus might be still working. You can use a usb to hdmi adapter to show content on a monitor or tv and use the stylus even above a destroyed lcd to unlock it.

  • Albin Foro Oct 21, 2016 Link to comment

    Thanks, I've used for a thumb drive but wasn't aware it would work for a mouse or keyboard. I was able to use the same micro to USB adapter for a wireless mouse radio and voila. Will want to play with whether it works editing in various apps.

  • Nisha Patel Oct 20, 2016 Link to comment

    I bought one to plug a mouse into my android phone because my screen was cracked. I couldn't enter my password and get into my phone without that mouse. I'll be waiting 5 days until a new phone Is shipped out. What a little life saver the OTG adapter is!

    • Show-real Studios Oct 29, 2016 Link to comment

      In deed ... also a keyboard with attached mousepad worked... rescued me often

    • Robert Preston Aug 12, 2017 Link to comment

      Hi - How did you do this ? I have same problem, cracked screen. Bought otg adaptor but when i plug mouse in at lock screen nothing happens. Tried it on a phone wuth unlocked screen and it works fine. Suspect the lockscreen is blocking other devices . I have a sony z5 compact. Any help would be ace.

  • tungsten tungsten Oct 20, 2016 Link to comment

    i have been usisng my USB storage for a while now. i have a note 3 with an internal SD card. I hardly ever use the SD anymore I prefer my USB storage device I even run with it for the music. its so convenient to have all your files readily available across all device. In ny opinion its the way to go and the chances that you will loose the phone and the USB at the same time are less.

  • Michael Anderson Oct 16, 2016 Link to comment

    Very simple - I use otg to quickly send pictures from my camera (via an sd-card), without the need to bring my computer on the move.

    • Nick Anderson Oct 31, 2016 Link to comment

      Same here my friend it had been so convient being I haven't had a computer available majority of the time. Yes best thing I've found it useful for

    • thenext Jan 16, 2018 Link to comment

      ok gooooood

  • Rob Saniel Oct 1, 2016 Link to comment

    Hi. I bought from Amazon an HDMI connection kit (hdtv adapter and otg card reader) to access my Samsung Galaxy S3 broken and locked phone. I can see the phone screen on my TV but the mouse is not working. So I'm still unable to unlock the phone. Any idea? THX

    • pat m Mar 21, 2017 Link to comment

      CAN you use an mhl / USBtoHDMI adapter and OTG at the same time? My screen and touch access don't seem to work. I would like to be able to send touch commands to the screen to unlock it.

      From what it sounds like, mhl requires a special HDMI port on the receiving end, and special USB port on the phone end. Samsung s5 has it, but the 6 & 7 don't. And as far as I can tell, none of my home tv's support MHL. Unless their is a way/cable to send strait HDMI to the TV, and let the OTG send the control back

  • Vineeth Sep 16, 2016 Link to comment

    If i buy an TAB with OTG support will i be able to connect TAB to LCD tv using HDMI.Please reply

  • Curtis jones Jul 7, 2016 Link to comment

    I am trying to learn about Otg, and how to hook up an inspection camera.
    Bought two off Amazon , neither of the Qr codes worked to load app.

    My phone is verified as having OTG. Loaded a app. My phone is a Samsung Sm s765c
    Straight talk.
    I loaded camerafi and other apps
    None detect device

    So do I have a host problem.?

    Been trying to undestand what root and debug do. Do I have to go in my phone and enable something.

    • Flemming Sørensen Aug 4, 2016 Link to comment

      Try another app. I have tried 3 apps for my Endoscope camera. The one that I am using right now, is the one that works best for me, considering pros and cons compared to the price of buying thr "Pro" version of the apps.

  • bukek siansu Jun 9, 2016 Link to comment

    Great..working well on my Xiaomi Redmi Note

  • See Mun Tham Jun 6, 2016 Link to comment

    Hi, I have a san disks otg usb flash drive 32g but my samsung galaxy tab a doesn't detect the drive. I also used otg cable for my external hard disk 1tb also cannot detect. Is that any problem?

    • Alvin Zahran Majid Jun 20, 2016 Link to comment

      I have the same tablet and flashdrive but they are working well... Have you unlocked your tablet or try other cables/flash drives?

    • Rhonda Aug 29, 2016 Link to comment

      I have the same OTG Flash drive and the same problem with my Galaxy S6.

    • Nick Anderson Oct 31, 2016 Link to comment

      I've experienced this as well o had to download a differnt file manager Try "ES-file Explorer. Sometimes it takes a couple toys to get it to pick it up for some things but should help

  • andycw Jun 1, 2016 Link to comment

    How many devices can be connected through a usb hub with usb otg? Could there be an instant desktop setup if you can connect alltogether portable usb monitor, keyboard mouse, midipianokeyboard, printer and usb external harddisc to an android flagship?

  • Mrs_Addams May 28, 2016 Link to comment

    Great function. You look like Jon Snow btw

  • Dwarfer66 May 27, 2016 Link to comment

    I bought one for my then Galaxy S4 off ebay for $1.89AU, works great on my Tab S and my S6 Edge. I don't use it very often but I know it works and is great to have.

  • israel radomsky Feb 20, 2016 Link to comment

    I wish to charge my Samsung Note 5 while watching a film ran from memory stick. Although the connection is possible with OTG cable (uUSB male connected to Note 5, uUSB female connected to the charger and the USB female connected the memory stick), there no charging. How this can solved?

  • Gerry Shark Feb 11, 2016 Link to comment

    When I connect the mini endoscope on my Doogee Valencia Y100 the recommended camera shows up, all functions look normal, but the screen stays black! No picture!
    What's wrong, please?

  • Rony Mishchuk Feb 7, 2016 Link to comment

    Is it possible to plug your tablet into your computer with a normal cable and direct that to another port with a mouse plugged in?

  • Peter Brayne Feb 3, 2016 Link to comment

    I have purchased a USB 2.0 On the Go cable for my Galaxy Tab A 9.7 ( SM-T550 ) It accepts a USB Flash Drive.The thumbnails for the videos and photos appear.It plays the videos ok.It shows a photo ok but it does not appear to let you scroll to the next photo in the album.Does anybody have any views or comments about this function ?

    • Peter Brayne Feb 3, 2016 Link to comment

      I have now found the answer to this problem.Have just installed the ES File Explorer and it works a dream.

  • فوزى جاد Jan 18, 2016 Link to comment


  • david316 Jan 12, 2016 Link to comment

    LOL,appreciated to your really pretty professional and detailed comprehensive review about usb otg cable,we really learn a lot and know what it is and how to properly choose one preferred.
    I also found a pretty useful article from filled with tons of practical information about how to properly pick up USB peripherals preferred and i also surprised by the huge collections of various USB cables and power banks from, i bought a really fashionable affordable USB OTG cable for my samsung galaxy

    • Just Me Mar 16, 2016 Link to comment

      Nice commercial...
      You posted your comment 2 months ago and while the Samsung Galaxy S7 was only released 6 days ago, you already had one and you were buying fashionable affordable accessories for it?

  • Patrick Rogers Dec 29, 2015 Link to comment

    Samsung S3 and USB endoscope could assist medical intubation. Google "smartphone endoscopy via OTG"

    • Just Me Mar 16, 2016 Link to comment

      Yuppp... It can also assist plumbers, car mechanics and individuals who work in pest control too... Hahaaa

  • Panayiotis Constantinou Dec 20, 2015 Link to comment

    Can i connect a OTG smartphone with a monitor (VGA port) or a projector (VGA as well) so as to work as a mini pc?

  • Stephen Stewart Dec 13, 2015 Link to comment

    I want to buy the mini android endoscope will it work on my S6

  • Haidar Dec 5, 2015 Link to comment

    Is there are any application which support usb otg hosting? my Android doesn't support otg

    • storm Dec 5, 2015 Link to comment

      Most of them need root if your phone doesn't support it out of the box. Another problem with some phones is they don't have the full output voltage to offer full OTG support. In those cases, you may need a Y OTG cable. The Y offers another USB connection for power from another USB port. Not a great solution, but useful at times.

    • Mark G. Mar 16, 2016 Link to comment

      Your device will need the hardware installed. If it doesn't support OTG then unfortunately there is nothing you can do other than buying a new device which does support OTG.

      Peace ✌

  • storm Dec 4, 2015 Link to comment

    Now if we could only make MHL or mini display port a popular standard too.

  • Mukesh Patel Nov 29, 2015 Link to comment

    I have Apple 4S , can I use this OTG? How? Pl reply.

    • storm Dec 5, 2015 Link to comment

      No Apple doesn't do this. They also stopped using USB ports on the phones which was a user hostile decision.

    • Mark G. Mar 22, 2016 Link to comment

      Lol no Apple is crap you won't get any useful extras unless they can charge ridiculous prices and rip you off. You been conned by a organised crime syndicate called Apple.

      Peace ✌

    • Danny Boiy May 27, 2016 Link to comment

      No. Apple hates innovation. The only thing they ever pioneered was USB Type-C. Why is a fruit-user on an Android website. And if it's because you can't afford another phone then google One+ or any other budget Android maker. Samsung isn't the only one (in case you thought that).

  • Elin Gerardo Nov 26, 2015 Link to comment

    www . youtube . com/watch?v=Dth5FrLqi5s ejemplo de us ode OTG

  • Ross R Nov 18, 2015 Link to comment

    Using an OTG Cable, we have connected an IMI Onyx Geiger Counter to both our Nexus 7 and our Amazon Fire tablets to display and share radiation data around the world.

  • Soumendra Nath Sen Nov 7, 2015 Link to comment

    I have Samsung Galaxy Grand Max SM-G7202 will otg work for this device I mean can I connect Pen drive to this device

    • Paul Cirrus Dec 8, 2015 Link to comment

      sir the answer is actually on the article, you just need to read. "-.-

      How do I know if my Android device supports USB OTG?
      USB OTG has its own logo (seen above), which will be on your device's packaging if it's supported. If you don't have the original packaging to hand, you can use your old friend Google. However, if your smartphone was released within the last two years, you can almost guarantee it will support it.

  • Christopher Wright Nov 5, 2015 Link to comment

    Does usb otg wprk on samsung galaxy light?

  • Πετρος Σταματακος Nov 2, 2015 Link to comment

    I have lenovo yoga 2 , which it support otg , but can it afford an external dwd-rom player?

  • srdjan radovic Nov 1, 2015 Link to comment

    I have Samsung Galaxy Tab 4 SM-T535 will otg work for this device I mean can I connect mouse,keyboard and joystick to this device

    • Mark G. Nov 1, 2015 Link to comment

      Yes I believe that you can, try to purchase a micro usb adapter cable and plug in any usb device.

      • srdjan radovic Nov 1, 2015 Link to comment

        OK Thanks!

      • srdjan radovic Dec 4, 2015 Link to comment

        I bought otg cable and it works but when i connect my mouse it just flashes once and shows mouse connected and then mouse disconnected but usb connector stays connected.Any solution for this

  • e-con Systems Oct 28, 2015 Link to comment

    You can connect USB cameras with "Webeecam Free" App.

  • BunnyBrains Oct 16, 2015 Link to comment

    I was wondering what the difference Is between an OTG cable and a regular micro USB charging/data transfer cable coupled with an adapter with 2 female ends. I can use the regular USB cable to swap data with my PC, so why doesn't it work the same way for a thumb drive?

    • Mark G. Oct 16, 2015 Link to comment

      The OTG cable is just an adapter to allow a full sized usb connection such as a USB stick or USB Game pad. If your phone doesn't have OTG capablty then using a usb stick won't work. You can still transfer data via a normal micro usb to a PC. I believe it has to do with how the device is powered. Without OTG on the phone then there is no power for the usb stick. Though the pc doesn't matter as it's self powered.

      I think thats right.

    • Just Me Mar 16, 2016 Link to comment

      You can also buy an OTG adapter (it won't let me post links so just type in ebay(dot)com and paste this immediately after it: /sch/i.html?_from=R40&_trksid=p2057872.m570.l1313.TR12.TRC2.A0.H0.Xotg+usb+adapter.TRS0&_nkw=otg+usb+adapter&_sacat=0 or search eBay or Amazon for "OTG USB adapter") which is basically an adapter that is as small as a finger nail comprised of a full size USB jack on one end, and a Micro USB on the other end) to fit into either a USB cable or any USB plug (example a USB Flashdrive) on one end and a your OTG compatible mobile device!

  • Mohamed Harb Sep 20, 2015 Link to comment

    if i have it in my tab can i use 3G modem to have internet ????????????????????????????????????????

  • Mark G. Sep 13, 2015 Link to comment

    I have always used OTG first with the Galaxy S3 now I use it regularly with the excellent Galaxy S5.
    I use it with a MHL cable to use my tv as a Screen. I use a bluetooth keyboard and will connect a usb mouse for when I'm doing word processing (I don't need a PC anymore).
    I use USB stick to back up my data.

    Only problem was when I used a cheap OTG cable. It would be hit or miss.

    Only buy decent cables/USB peripherals /SD cards or run the risk of damaging your data or worse bricking your phone.

  • jerry ericksen Aug 9, 2015 Link to comment

    Ran the Diagnosis on my Moto G 1.... not supported.

  • Dwarfer66 Aug 9, 2015 Link to comment

    I have used it on my old S4, my sons S5, my new S6 edge and Tab S, all works great.

    And it only cost me $1.88AU on ebay.

  • Seong-il Kim Aug 9, 2015 Link to comment

    You can connect USB cameras with camerafi app.


  • Craig Lewis Aug 8, 2015 Link to comment

    I have a Samsung Galaxy S4, and I use the USB OTG quite often. However, whenever I am also using the Mophie Juice Pack (a case with an extra battery within), I have to remove the S4 from the case in order to use the USB port. Why is this?

    • Mark G. Nov 1, 2015 Link to comment

      It has to do with how the otg device is powered. There are 2 modes otg mode and charging mode.

  • Glenni Bengtsson Aug 8, 2015 Link to comment

    I connect my Samsung tab s to my DAC for playing spotify

  • Pavle Aug 1, 2015 Link to comment

    How to use OTG cable on S3 Neo I9301I ???

  • Pol Gotham Jul 16, 2015 Link to comment

    i'm using Zenphone watching all my downloads with it but the problem is that the battery drains so fast (down side of Zenphone 5) Is there a double headed OTG cable where It can read my USB flash drive and charge at the same time??

  • Joannie Balsoogrim Jul 1, 2015 Link to comment

    Nothing happens when i connect my OTG cable to my smartphone Blu Studio X, it works perfectly fine with my Astro Tab. Please help.

  • Louvenjun Balantac Jun 3, 2015 Link to comment

    Does USB OTG also compatible with local smartphone and tablet??

  • Eda Farsky Apr 25, 2015 Link to comment

    Hallo, it is interesting.This is very simple solution:

    https: //


  • yana Mar 7, 2015 Link to comment

    Is Samsung Tab 7.7 compatible with OTG cable?
    If compatible, can my OTG cable work as battery charger when connected to another USB for my tablet?

    • Eda Farsky Apr 25, 2015 Link to comment

      Hallo, it is interesting.This is very simple solution:

  • Peter Dreyer Feb 13, 2015 Link to comment

    A problem I have experienced is that it is very difficult to OTG phones and tablet that can charge while using OTG, since they use the mini-USB for charging. In my case I use OTG to receive data from an external sensor 24x7. The solution I have found is an Point-of-view tablet with mini-USB and separate DC charging socket. But for industrial applications I would like a better (less discount type) tablet. Any suggestions...?

    • kumar Sep 13, 2015 Link to comment

      what for this OTG function used? is this used with any camera?

      • Griffin D Sep 13, 2015 Link to comment

        Usb otg is usb on the go. You can find usb otg cables over at Amazon for cheap. They allow you to plug the cable into your phone. Adding a usb port to your android phone. You can connect usb keyboard and mouse or usb flash drive to transfer files from your phone to the usb drive. You can also connect a PS3 controller to your phone and play old games in emulators like Mupen 64. If you're on a nexus device you will need some thing like nexus media importer or stick mount if rooted.

    • Geoff Zoref Sep 26, 2015 Link to comment

      I have yet to use one yet, but what come to mind as a solution is a USB hub that you plug in to the USB slot, which has multiple usb cables running from the hub.

      tinyurl dot com/oggbak8

      I also wonder if you could plug in a chrome cast into one. I don't know why, but would that work?

      • Mark G. Mar 16, 2016 Link to comment

        I have used a USB hub and connected keyboard and mouse, both worked ok. I also used it for copying files from one USB Stick to another.

        Peace ✌

    • Mark G. Mar 16, 2016 Link to comment

      Wireless charging

  • karan4official Feb 11, 2015 Link to comment

    Wao i found it best price at amazon :

  • Graeme Woodward Feb 4, 2015 Link to comment

    Fabulous! This article helped me get OTG working on the Sony Xperia Go (ST27a). It couldn't be easier.

    A OTG adaptor (Pudney Micro to USB A Socket, $10 from local electronics store) plus Total Commander, free from Google Play, and it worked blindingly easy. I can now connect external USB flash drives and synchronise exercise data onto Strava from my Garmin Edge 500 cycle computer.


  • Jimmy LightspeeD Jan 31, 2015 Link to comment

    note 4 should have it? The article didnt mention it except the note 1,2 & 3

  • T. Hurd Jan 14, 2015 Link to comment

    Correction: (posted a link to a controller by mistake)

  • T. Hurd Jan 14, 2015 Link to comment

    Be careful with cheap OTG cables. One I got on Ebay fried my phone (S4). I use these from Amazon and have fund they're very solid.

  • Lina Akriv Jan 4, 2015 Link to comment

    My mobile is samsung galaxy express 2. Does it support otg? My tablet is samsung galaxy tab 4 SM-T230. Does it support otg? I failed when I tried to connect a keyboard or a memory stick. And... where can I find that logo of usb otg?

    • Ramon Ombid Jul 31, 2015 Link to comment

      It indicates in the box of your phone. It depends on the phone if its OTG capable or not.

  • Gary Blatt Jan 3, 2015 Link to comment

    My new Nexus 7 (2013) does it work with this 4.4 KitKat that I have?

  • Ace Shadow Jan 3, 2015 Link to comment

    Huawei Ascend P7 has it,
    LG Optimus L7 doesn't.

  • Sven Doldersum Jan 2, 2015 Link to comment

    And although the Nexus 5 is stated as a device which supports USB OTG, it does not work anymore with 5.0.1 unfortunately. Did work properly on KitKat though.

  • Wallambok K D. Jan 2, 2015 Link to comment

    Does Moto G2 support usb otg?

  • Mark G. Jan 2, 2015 Link to comment

    I presumed all smart phones allowed OTG.. What would be useful is a list of phones that don't provide OTG as I see it as a basic necessity.(And deff would not buy a phone without this feature). I use it to plug my phone to the TV (MTP). Iv tried connecting a mouse but it was more a novelty. I always back up onto USB via OTG connection cable.

  • Guy De Vos Jan 2, 2015 Link to comment

    The list of OTG compatible devices is far from complete.

    • thomas rinehart Jan 2, 2015 Link to comment

      On the oneplus one site they have one. I'm sure my otg cable would work with it.

  • oldzoom Jan 2, 2015 Link to comment

    I use my old Galaxy Note 2(rooted)with various flash drives holding numerous music selections using an OTG cable in my car as a bluetooth media server. I also use OTG cables with the adapter cable to plugin to controllers(gamepads) for use on games that normally don't have controller support. (Root phones/tablets at your own risk), but the payoff can be phenomenal...

  • dan Dec 29, 2014 Link to comment

    Can I use an OTG cable with my Samsung Tab 4 (10.1") ?

  • Karl Kaur Jun 14, 2014 Link to comment

    Certainly Sony has been doing well to make its smartphones USB OTG compatible.

  • Aashika Venkatesan Feb 26, 2014 Link to comment

    Is it compatible with all the models of printers? and data-cards?

  • James Ahn Dec 16, 2013 Link to comment

    Fantastic! Wasn't aware of the certified OTG logo...better keep an eye out for that!

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