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Nexus 7 OTG + charging is here

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By mvmacd, Senior Member on 13th October 2012, 07:34 AM
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It says it's only been tested with CM10, but might also work with other ROMs. I finally got my Y cable, and I can confirm it works. [Using this cable from ebay, $6]

This means you can plug in your flash drive or hard drive and use it while on AC power!

Update: for 4.2.x check this dedicated thread over on rootzwiki:

Big thanks to XDA member t1mur and rootzwiki Timur for making the kernel!
Last edited by mvmacd; 5th February 2013 at 10:12 PM.
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13th October 2012, 07:48 AM |#2  
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This is awesome, just need to find a y-cable to try this out. Just hope its a stable kernel that doesn't cause any issues.
13th October 2012, 07:51 AM |#3  
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This is a great step in the right direction! Can't wait to see where this goes..
13th October 2012, 08:34 AM |#4  
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Hi Guys,

will this also work with a standard otg-cable and an usb-hub?

14th October 2012, 04:38 AM |#5  
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Originally Posted by berkley

Hi Guys,

will this also work with a standard otg-cable and an usb-hub?


I don't think so for 2 reasons. Usually even powered usb hubs don't give out power through the input port [The source port of the hub]. And even if it did, it would be 500 mAh [the N7 charger is 2000 mAh], which [edit:] isn't enough enough to charge the N7 with the screen on. If the screen is off though, it will slowly charge it.

Also, apparently this is already implemented in Faux's beta kernel, you have to use echo to enable it [it's explained on the thread].
Last edited by mvmacd; 18th October 2012 at 01:36 AM. Reason: typo
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15th October 2012, 09:09 PM |#6  
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i am getting the 16GB. i am tired of waiting. I have one last question though. Can this in any way cause any type of damage on my device?
15th October 2012, 09:29 PM |#7  
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It's allow usb and AC charging or only usb ?
15th October 2012, 09:37 PM |#8  
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Awesome news, even though I just bought a regular OTG cable about a week ago for a $1.50 (still waiting for it to be delivered from China to the USA [NJ]). Since I just got a full-time job I'm going to sell my 8 GB and get one of the 32 GB versions when they become available so I won't have to worry about the extra cable
15th October 2012, 09:46 PM |#9  
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Can anybody confirm that it effectively works ?

Also, It would be good to to know:
- which Y-USB-OTG cable is used ?
- which power source, i.e. from a PC (500 mA) or a charger (2 A) ?
Last edited by NicoGa; 15th October 2012 at 09:51 PM.
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otg charging usb, otg host
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