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DIY USB OTG CONVERTER FOR i9100! IT WORKS!

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By redgreenlaser, Junior Member on 23rd May 2011, 02:18 PM
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The most Micro USB to USB converters are not work if you want to use it for OTG converter, because the 4. pin of the micro usb plug is not connected!
The most ebay and computer shop's converters like this!



If you want to use it for working OTG adapter you have to connect the micro usb connector 4. pin to GND (5. pin).
Like this:


I made this mod on my adapter and it works!

First you have to open up the outter cover and carve the plastic around the micro usb pins. You can use multimeter to check the pinout.

After that solder the 4. pin to 5. pin with a piece of wire.


And finally glue back the outter cover.

Video:


So if you have not working adapter you can mod it, if you have suffice experience with electronic and proper tools.

Only do with your own risk!
Last edited by redgreenlaser; 23rd May 2011 at 03:38 PM.
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25th May 2011, 02:13 PM |#2  
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I have this Usb converter!
With your mod works perfectly!!
26th May 2011, 01:44 AM |#3  
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just tried it :P it works perf, thank you!
26th May 2011, 10:43 AM |#4  
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Weird I got one off eBay from Hong Kong and it works without Modding. Can open files off a USB stick. Got it for £1 :)

Sent from my GT-I9100 using XDA Premium App
29th May 2011, 10:33 PM |#5  
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Anyone knows how the Galaxy determines to be in home or car dock?

ALexander
6th June 2011, 08:28 AM |#6  
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hi thanks for great find just built one from a female usb cable vey nice.
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6th June 2011, 06:53 PM |#7  
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WOrked for me too...thanks
6th June 2011, 08:01 PM |#8  
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Quote:
Originally Posted by skibadee

Weird I got one off eBay from Hong Kong and it works without Modding. Can open files off a USB stick. Got it for £1 :)

Sent from my GT-I9100 using XDA Premium App

Share the link please
8th June 2011, 10:47 PM |#9  
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I buy a pair in Dealextreme.com

SKU 50774 o search OTG
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8th June 2011, 11:44 PM |#10  
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It may have a resistor between pin 4 and 5, kind of like a jig,
I remember there was a fun with resistors thread for the sgs1.
I may attack tge free dock I,got from optus.
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