Power on Nexus 7 without pressing the power button! (No Kernel required) - Genesis Forum: GenCoupe Hyundai Genesis Forums

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Old 04-28-2013, 12:47 AM   #1
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Default Power on Nexus 7 without pressing the power button! (No Kernel required)

DISCLAIMER: I am not held responsible for anything that might go wrong with the installation of this mod OR any damage to user data/files.

Having a tablet mod is cool but what if your tablet battery is drained out and you have to open the bezel to press the power button? This mod will automatically turn on your tablet as soon as it's plugged in to charge. There is no need to drill your bezel to create an external power button.

Default behaviour while charging (device in power off state): Charging only
New behaviour while charging (device in power off state): Power on to your home screen!

This mod requires you to unlock your bootloader (WARNING!!! - you will lose all your data when you unlock your bootloader. I am not sure if this mod will work on a locked bootloader - but try it out BEFORE unlocking your bootloader)

Steps to unlock your bootloader (steps for PC/MAC included):

1) Download R3Superboot.zip by clicking on the following link:

https://dl.dropbox.com/u/25213603/r3superboot.zip

2) Extract R3Superboot.zip to a convenient location. For this guide, I am going to extract it to my Desktop. Once extracted, RENAME the folder to R3Superboot (not necessary but makes it easier to open it up in step # 6)

3) Enable USB Debugging on your Nexus 7
- Go to Settings --> About tablet
- Tap "Build Number" 7 times
- There should now be a "Developer Options" in your main settings menu
- Go to Developer Options and check USB Debugging

4) Connect your tablet to your PC/Mac and power off your tablet

5) Press and hold Power + Vol Down button until you get to the bootloader screen (with the Android logo)

6) Now open Command Prompt (PC) OR Terminal (Mac)

PC - Command Prompt (go to your R3superboot directory). Type the following:

cd desktop (hit enter)
cd R3Superboot (hit enter)

Mac - Terminal (go to your R3superboot directory). Type the following:

cd desktop (hit enter)
cd R3Superboot (hit enter)

7) Now it's time to unlock the bootloader. Type the following and hit enter

PC: fastboot oem unlock

Mac: ./fastboot-mac oem unlock

You will be presented with the following two options:

Yes - Unlock Bootloader
No - Don't Unlock Bootloader

By default, it should automatically be selected to "YES". Simply hit the POWER button ONCE and wait for a few seconds until it says "DONE" on the top left side of the screen

8) Now it's time to tell the tablet to turn the device on when the charger is plugged in

PC: fastboot oem off-mode-charge 0

Mac: ./fastboot-mac oem off-mode-charge 0

***If you ever want to return to the original set up (tablet stays off while device is charging in a power off state), simply replace the "0" with "1"

i.e.

PC: fastboot oem off-mode-charge 0
Mac: ./fastboot-mac oem off-mode-charge 0

THAT'S IT!!! Now reboot your tablet and test it out!

Enjoy and do this mod at your own risk!
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Last edited by tapan; 04-28-2013 at 12:53 AM.
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Old 04-28-2013, 07:27 PM   #2
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You sir, are a life saver!

Will this work on the Acer Iconia Tablets?
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Old 04-28-2013, 07:31 PM   #3
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Quote:
Originally Posted by R4VEN View Post
You sir, are a life saver!

Will this work on the Acer Iconia Tablets?
Not sure man - but DON'T try it on your Iconia lol...i will look it up tomorrow. I am sure there is a similar software mod for the Iconia
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2012 Genesis Coupe 2.0T NG premium auto
- Wingsssssss
- Magnaflow catback exhaust
- K&N Typhoon SRI
- OEM GT strut bar
- BBM lip spoiler
- Nexus 7
- Spacers: 20F & 25R (UNIQ Performance)
- Diode Dynamics 6000K low beam HIDs
- Diode Dynamics 7.5W fog light LEDs
- LED footwell lighting
- Formula 1 Pinnacle 30% ceramic tint all around
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Old 06-06-2013, 11:12 AM   #4
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This work on every tablet that use android? what version of android are you running?
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Old 06-08-2013, 11:38 PM   #5
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Quote:
Originally Posted by XVEGANX View Post
This work on every tablet that use android? what version of android are you running?
I am pretty sure this is specific to the Nexus 7 only. I am not sure how other tablets' bootloaders are configured but DO NOT attempt this on any other tablet. You could end up with a bricked tablet.

I am running 4.1.2 on my Nexus 7.
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2012 Genesis Coupe 2.0T NG premium auto
- Wingsssssss
- Magnaflow catback exhaust
- K&N Typhoon SRI
- OEM GT strut bar
- BBM lip spoiler
- Nexus 7
- Spacers: 20F & 25R (UNIQ Performance)
- Diode Dynamics 6000K low beam HIDs
- Diode Dynamics 7.5W fog light LEDs
- LED footwell lighting
- Formula 1 Pinnacle 30% ceramic tint all around
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Old 08-01-2013, 01:24 PM   #6
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will this work on the new nexus 7 2nd gen?
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Old 08-01-2013, 02:03 PM   #7
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Quote:
Originally Posted by jhwan90 View Post
will this work on the new nexus 7 2nd gen?
There is a fairly good chance it won't work.
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Old 08-01-2013, 06:14 PM   #8
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Someone be a guinea pig and try it on the iconia so i know the outcome :P
Also someone try it without unlocking their bootloader ha.

I would REAAAALLLY love to have this mod on my Acer Iconia A100

nonetheless,
Very cool mod!
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Old 08-30-2013, 04:21 AM   #9
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Hey i've got a Nexus 7 1st gen, on 4.3 already unlocked and rooted using Wugs toolkit. Can I just follow your instructions, and ignore all the parts relevant to unlocking and rooting ( since that is already done ) to get this usb mod done?
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Old 08-30-2013, 05:37 AM   #10
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If you have rooted your tablet, you should be able to install any ROM that will work with the N7. There is a genius on youtube I follow regularly who knows how to root just about anything. Here is his website: AndroidRoot.org - Android Rooting Video Tutorials In the search box, just type Nexus 7. Good luck!
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Old 11-13-2013, 01:22 PM   #11
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subbed to check later. any update on a acer a100?
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