How to Make OTG USB Host Cable for Galaxy S2 or Xoom!

For those of you with an Android smartphone or tablet that supports OTG USB mode, which allows you to connect USB peripherals such as your USB flash drive, USB Mouse, USB Keyboard, USB Monitor, and more, you can buy an OTG USB Host cable OR you can make your own.

The idea is pretty simple here actually, you just need a female USB connector (off a USB extension cable) and a micro USB connector.  You connect all the colored wires together.  For example, there’s red, white, black, and green wires.  You just connect red to red, white to white, black to black, and green to green.  There’s also a shielding wire (silver) you can connect which holds your OTG cable together in place (or you don’t have to).

Once that’s done, you just need to short pin 4 and pin 5 on the micro USB connector end.  This will vary depending on which micro USB cable you got it off from but you will most likely have to open up the micro USB connector end to expose the pins.  Simply short the pin 4 and 5 and you should be good to go.

This should work on any OTG-enabled Android devices without rooting such as Galaxy S2 or Motorola Xoom. For others, you may need a custom kernel to make it work.

Here’s my ghetto OTG cable working fine on the Galaxy S2:

18 Responses

  1. shane says:

    does this work on htc evo what rom do i need

  2. Flowy says:

    can you connect charger into circuit and charge phone while using mouse/keyboard?

  3. Andrea says:

    Can you please upload the videos somewhere.
    Thank you.

  4. Sayed says:

    Hey Max..!! Can you upload this video again….please??? Because its too useful & I’m gonna need it……..!! Waiting for this video upload…………………………………………..

  5. karan says:

    hey max.. can i use this otg cable on android 2.1(Eclair) or 2.2.2…

  6. dilton brahma says:

    does this work on galaxy s advance????????

  7. MoH says:

    HI, I just watched some of your videos. I really need a big favor in a simple issue. I have a Huawei y200 and i , briefly, installed by mistake another clockwork recovery with a market app (ROM manager) over existing one after rooting my phone. I could flash the phone by listing adb devices and take control but ONE IMPORTANT THING: I can’t access adb anymore, (i did had access to adb when it was boot looping). How can i flash it if i can’t access device’s adb anymore? is their any way to gain adb access or can i do other things instead? and ya PS: I can see adb device listed only when in phone’s recovery mode and beside phone’s adb number it states “recovery”, and it is no help since any command doesn’t work while cmd prompt is “waiting for device” and phone will never respond. It will state “waiting for device” even when there are no adb devices listed, just pending untill a device is responding.
    Please Help only can’t reflash, do anything without adb control. Thank you so much for reading, i have enough info about the system, you can tell me any process to go if it will help..

    Thank you…

  8. Glory says:

    Hello there, just became alert to your blog through Google, and found that
    it is truly informative. I’m gonna watch out for brussels. I’ll be grateful if you continue
    this in future. Lots of people will be benefited from your
    writing. Cheers!

  9. Samira says:

    I like the helpful info you provide in your articles.
    I will bookmark your weblog and take a look at once more here
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  10. Tayyab Tahir says:

    Does it work on HTC Desire V?

  11. Stephen says:

    do you know how to fix the question mark on the battery indicator on the Verizon droid razr maxx HD

  12. Sohaib says:

    Sir i have a gfive president g7. i want otg access on my phone it is rooted and running jellybean 4.2.1. is there any method by which i can turn my phone into usb host (phone does not supports otg by default) i have checked by otg cable it does not respond to my mouse keyboard or flahdrive any idea ?

  13. F1CHF says:

    hello, is there a solution to share a SDR receiver (usb plug) and a DC charger
    let say a Y OTG cable ..connected to S2 samsung
    because SDR will ask for power, ans S2 samsung is down after 30 minutes !
    so a Charger is necessary

    any ideas ?

  1. January 18, 2012

    […] and more, you can buy an OTG USB Host cable OR you can make your own. Read full article on here How to Make OTG USB Host Cable for Galaxy S2 or Xoom! | Or here How to Make OTG USB Host Cable for your Galaxy S2! | Galaxy S2 Root Some more is […]

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Max Lee

Max Lee is the founder of Max makes Android tutorials and review videos for people who want to get high on Android over at his YouTube channel and Korean YouTube channel.