Sunday 26 January 2014

How to Unlock Bootloader-Flash Recovery (TWRP)-Root-Restore Back the Nexus 7

[TUTO+VIDEO] AIO Unlock Bootloader-Flash Recovery (TWRP)-Root-Restore Back the N7 FLO

This tutorial All In One is for all owners of the NEW NEXUS 7 FLO (2013 Edition). I've tried to be clear, helpful and simple 


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POST #1 => [TUTO + VIDEO] AIO Unlock Bootloader, Flash Recovery (TWRP) and Root your Nexus 7 FLO

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POST #2 =>[TUTORIAL]Download Factory Images Nexus 7 FLO - Restore back STOCK JSS15J ONLY
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POST #3 => [HOW TO] FLASH MORE FASTER WHEN YOU USE FASTBOOT LINE COMMAND



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Warning!
This guide and its guidelines are meant only and only for the new Nexus 7 "FLO" (2013).
Do not attempt to try this on the older Nexus 7 or any other device.
Applying this to any other variant might brick the device.
Read and understand the instructions carefully before proceeding any further.
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Pre-requisites:
THIS GUIDE IS ONLY FOR WINDOWS
1) This point is really important. You’re going to lose all your data on the device including the internal storage. So back everything up.

2) Download and Install 7zip or any other archive manager as WinRAR etc...

3) Download and install Android SDK

OR

3Bis)Download The ADB and Fastboot Tools in the same Tool ==> platform-tools.zip - md5: 15e771613370afe3c70e0be1454d2ef1 - size: 346.8KB

4) Put these 3 files in where your fastboot folder is installed; ex => => disk C: root
Unzipped this file on the folder "platform-tools" and you will find 11 files:
- aapt
- adb
- AdbWinApi.dll
- AdbWinUsbApi.dll
- aidl
- dexdump
- llvm-rs-cc
- fastboot
- dx
- NOTICE
- source.properties


5) Enable USB Debugging Mode on the tablet to connect it with the computer and use Android SDK with it. 
{ Press Menu =>> Settings =>> Applications. From there navigate and click on Development option then check the USB Debugging Mode.}
If you don’t see the Development Options, you'll need to open the Settings app and scroll down to the bottom. Once you get there, tap “About Phone”. Scroll to the bottom again, until you see the Build Number entry
Now tap Build Number a total of seven times. You'll see friendly developer messages starting with the fourth tap. After the seventh, you'll see a message congratulating you for unlocking Developer Options. “Now you are a developer".

6) At least 70% battery power to avoid uncertain shutdowns during the process.

7) The tutorial is compatible only with the New Nexus 7 FLO (2013).


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Process to unlock bootloader of your Nexus 7 FLO
-1: Connect the Nexus 7 to the computer using USB cable.

-2: Open a Command Prompt window and type the following command to reboot the device into booltoader mode:
Code:
adb reboot bootloader
-3: Type the following command to lauch the unlock process:
Code:
fastboot oem unlock
-4: You will now be prompted with a dialogue to confirm the process, go through it. 
Use the Volume buttons to highlight Yes and select it using the Power button

-5: The tablet will go back to the bootloader screen. Press Power button to select Start to reboot into the unlock device

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Before to install the TWRP recovery and applying the root, you need to download the latest version of the TWRP recovery and the latest version of SUPER-SU that you need to push to the root of your sd card - For downloading these files follow the links below 
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Process to install TWRP recovery on your Nexus 7 FLO
-1: Download the latest TWRP recovery image file
Download link- TWRP v2.6.3.0

-2: Open the folder where the recovery image file has been downloaded and rename your recovery "recovery-twrp" simply. Re-open your previous Command Prompt window.

-3: Type the following command to flash the recovery image file
Code:
fastboot flash recovery recovery-twrp.img
-4: The recovery will be flashed and the progress could be observed in the CMD window itself.

Note: To boot the Nexus tablet into Recovery, press the Volume keys (up/down) until Recovery Mode is displayed. Use the Power button to select it and the device will reboot into the TWRP recovery Mode.

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Process to root your Nexus 7 FLO - Update
-1Download the SuperSU root package for Nexus 7
or you can use Download link: CF-Auto-Root-flo-razor-nexus7.zip

Explanations for understand why you must use CF-Auto Root => Go to read here the Central Post

-2: Download the ZIP file (see the link above) and Extract the ZIP file

-3: Connect the tablet to your PC using USB cable.

-4:Boot your device in bootloader/fastboot mode. Usually this can be done by turning your device off, then holding VolDown+Power to turn it on.

-5:Connect your device to your computer using USB

-6: Open a new CMD window and type the following command:
For Windows
Code:
root-windows.bat
For Linux
Code:
chmod +x root-linux.sh
root-linux.sh
For Mac OS X
Code:
chmod +x root-mac.sh
root-mac.sh
Follow the on-screen instructions - watch both the computer and the device !

Note that if your device had not been unlocked before, this procedure will wipe all your data !

And if you have some problem with the process, go to see
 HERE


Now your Nexus 7 FLO running on Android 4.3 Jelly Bean should have be rooted with latest TWRP recovery installed and bootloader unlocked.   


If you need more help, following my OP and this video from @clozecall


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ISSUES
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If you have some problem after to flash the recovery, and you stay stuck on during 5mn + You need to wipe data and factory reset on settings and normally all should be work perfectly after
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USEFULL FILES:

Recovery Stock -razor-JSS15QR.img - Download link - md5: 30884e20e2674b5efe3841d9a7851466 - size: 7 MB

Recovery Stock -razor-JSS15Q.img - Download link - md5: ed2a78180a811146aa0ac3637b9179d3 - size: 7 MB

Recovery_stock_JSS15J.img - Download link - md5: 704205894e4bc4dc6c4d6d31247ada01 - size: 7 MB

FLO_STOCK_RECOVERY JRW66V - Download link - md5: ce864d17bc62cab84ee50576c97d926a - size: 9 MB

Google USB Drivers - md5: 1389bb2de0c9cacce27c76f1c71592ef - size: 8 MB

OEM USB Drivers

USB DRIVERS r_06 for Windows 7 & 8

Source: xda-Developers

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