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

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

Last edited by tapan; 04-28-2013 at 12:53 AM.
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#2 Old 04-28-2013, 07:27 PM
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You sir, are a life saver!

Will this work on the Acer Iconia Tablets?

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#3 Old 04-28-2013, 07:31 PM
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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

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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#4 Old 06-06-2013, 11:12 AM
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This work on every tablet that use android? what version of android are you running?
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#5 Old 06-08-2013, 11:38 PM
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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.

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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#6 Old 08-01-2013, 01:24 PM
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will this work on the new nexus 7 2nd gen?

'11 Kraussell White 2.0T
Cosmetic :
Superlux Taillight, Customized Headlight by ElStig Garage ,
6000k HID, OEM Foglight, Powerfolding side mirror,
OEM spoiler, Matte Black Wing Emblem, BTRcc Roof Wrap,
VIS AMS CF hood, F20mm & R25mm GarageLine spacers

Interior :
DiodeDynamics stage 4 LED ,
New Google Nexus 2nd gen installed w Type B bezel,
hardwired Escort Passport MAX

Enginge :
cp-e full Turboback Exhaust,
InJen Cold Air Intake, HKS BOV,
BTRcc Custom Tuned
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#7 Old 08-01-2013, 02:03 PM
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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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#8 Old 08-01-2013, 06:14 PM
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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!

2010 Nord Gray 2.0T Track - M/T

- Like top mount turbos? Click the link below
http://www.gencoupe.com/2-0t-discuss...-pictures.html

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http://www.gencoupe.com/private-clas...nsmission.html
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#9 Old 08-30-2013, 04:21 AM
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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?

Upgrading your turbo without owning a wideband is like skydiving with a blindfold
'12 2.0T 6SP Base- 320whp, 320wtq
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#10 Old 08-30-2013, 05:37 AM
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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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#11 Old 11-13-2013, 01:22 PM
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subbed to check later. any update on a acer a100?

Competition Clutch
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&N
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#12 Old 05-04-2014, 11:27 AM
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This is awesome!! Definitely a needed solution for those installs

2011 Black Genesis Coupe 2.0T Premium Current
- 6000k HID headlights
- Wing Emblems
- Switchback Turn Signals
- Switchback Fog Lights
2008 Gray Elantra SE Incus Kit Sold
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#13 Old 05-08-2014, 05:49 AM
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Link for R3Superboot.zip is dead?

Black Noir Pearl 2.0T Base MT from White Satin Pearl 2.0T Base AT
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#14 Old 05-14-2014, 02:02 AM
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reupload pls
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#15 Old 05-15-2014, 05:29 PM
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Any chance there is a command prompt for shutting down the tablet when device is on and not in a charging state? Basically to get the tablet to auto shutdown when the car is powered off

History
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2002 Civic EX - RIP (Katrina Victim)
2005 Corolla - Sold
2000 Civic Si - Sold
1991 MK3 Supra - Sold
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1989 MK3 Supra - FOR SALE


**38special's Other Car FOR SALE Thread**
http://www.gencoupe.com/other-vehicle-discussion/130757-38specials-other-car-build-thread.html

"I am always doing that which I can not do, in order that I may learn how to do it." -Pablo Picaso
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#16 Old 05-16-2014, 10:41 AM
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Quote:
Originally Posted by 38special View Post
Any chance there is a command prompt for shutting down the tablet when device is on and not in a charging state? Basically to get the tablet to auto shutdown when the car is powered off
Use Tasker or Automateit is a very easy way to do this. There are roms that are made specifically for this, the 2012 Nexus 7 has UsbRom which has many of these setting built into it. You probably wont want to fully shut it down though because then you have to wait for it to start up every time. It is better to just have it go to airplane mode + shut the screen off on power loss, and screen on + airplane mode off when power is restored.

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#17 Old 05-16-2014, 11:41 AM
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Quote:
Originally Posted by RedGen13 View Post
Use Tasker or Automateit is a very easy way to do this. There are roms that are made specifically for this, the 2012 Nexus 7 has UsbRom which has many of these setting built into it. You probably wont want to fully shut it down though because then you have to wait for it to start up every time. It is better to just have it go to airplane mode + shut the screen off on power loss, and screen on + airplane mode off when power is restored.
I installed Tasker and set it up to shutdown when I disconnect BT. It takes less than a minute to fully load up from a powered off state, which is less time than it takes me to get situated and pull out of my driveway lol

History
1990 EF Hatch - Sold
2002 Civic EX - RIP (Katrina Victim)
2005 Corolla - Sold
2000 Civic Si - Sold
1991 MK3 Supra - Sold
2010 MB Genesis 3.8 GT 6MT - New Daily
1989 MK3 Supra - FOR SALE


**38special's Other Car FOR SALE Thread**
http://www.gencoupe.com/other-vehicle-discussion/130757-38specials-other-car-build-thread.html

"I am always doing that which I can not do, in order that I may learn how to do it." -Pablo Picaso
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#18 Old 05-16-2014, 11:49 AM
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Originally Posted by 38special View Post
I installed Tasker and set it up to shutdown when I disconnect BT. It takes less than a minute to fully load up from a powered off state, which is less time than it takes me to get situated and pull out of my driveway lol
I had it that way too, with the same thought process. Eventually it got really annoying to me for when I would need to run into the store quickly and make several smaller trips. It feels more OEM to have it boot up instantly so I went that route.Having it go into deep sleep worked better for what I was looking for. I can have it sit idle in deep sleep mode without starting the car for over a month and the battery still wont be dead

'13 2.0T R-Spec
'99 Eclipse Fully Built
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#19 Old 05-16-2014, 02:39 PM
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Waiting for Timur's Kernel for Nexus 7 2013 to be released for the fast charging in order to avoid having to shutdown everytime car is turned off

Black Noir Pearl 2.0T Base MT from White Satin Pearl 2.0T Base AT
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#20 Old 05-28-2014, 08:29 PM
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Hi all...very sorry for the late reply. I haven't logged in a while and have been lurking this whole time lol...

I just reuploaded R3Superboot.zip and the link follows:

https://dl.dropboxusercontent.com/u/...3superboot.zip


DISCLAIMER: This bootloader unlocking method was previously attempted on 4.2 jellybean so I am not sure if it will work on 4.4+ kitkat versions. WARNING: Unlocking your bootloader will most likely erase all of your data. BACKUP everything before attempting to do this!!!

Do this at your own risk. I will not be held responsible for anything that might go wrong!

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
tapan is online now  
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