Maximize Android Ability

Today Google rolled out 4.4.2 to Nexus 4. It brings a few minor changes such as camera but kills root after upgrade. However we can easily root it back.

Required tools or files:

ADB+Fastboot+Driver
TWRP recovery
SuperSu 1.80

Step 1 – Download required tools

Step 2 –  Extract ADB+Fastboot+Drivers.zip to a folder say “c:\nexus4”

Step 3 – Copy TWRP.img (TWRP recovery) to above folder.

Step 4 – Copy supersu.zip (SuperSu 1.80) to the root folder of phone

Step 5 – Browse to ADB+Fastboot+Driver folder (say c:\nexus4) directory and launch Command Prompt (hold Shift with Right-click and then choose Open Command Prompt).

Step 6 – check if everything works fine by typing follow command:

adb devices

and you should get something like below. if not, check if USB driver installed or USB debugging enabled on phone.

List of devices attached
00926993722484   device

Step 7 – Boot the Nexus 4 into Fastboot Mode. To do so, type in the following command and hit Enter.

adb reboot bootloader

The phone will be rebooted  into bootload mode

Step 8 – Type in the following command and hit Enter.

fastboot flash recovery twrp.img

Step 9 – After the command is executed, choose RECOVERY option from the Fastboot menu to boot into Recovery Mode.

Step 10 – Click “install” option and select “supersu.zip” on phone, then click “Swipe to Confirm Flash”.

Step 11 – Once the installation completes, reboot the phone.

Your Nexus 4 is now rooted.

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In case you need revert to stock recovery, please download stock recovery image first,

Step 1 – Boot the Nexus 4 into Fastboot Mode. To do so, type in the following command and hit Enter.

adb reboot bootloader

The phone will be rebooted  into bootload mode

Step 2 – Type in the following command and hit Enter.

fastboot flash recovery recovery.img

That’s it.