Procedure to Update SONY Xperia Z with Jellybean 4.2.2 Firmware:
- Download the Android 4.2.2 Jelly Bean leaked OTA Package (Alternate Link) from here to your computer. Once downloaded, connect your phone to the computer with the help of original USB cable and place the zip file in your device.
- Disconnect the device from computer and turn off the device for entering the device in the recovery mode. The recovery mode in XPERIA Z can be entered by pressing the Volume Up + Power Button when the device is powered Off. Alternatively, you can also enter the device in the recovery mode with the help of ROM Manager app.
- Download the Fastboot package in your computer and Unzip the downloaded fastboot.zip file into C drive (C:). It will generate fastboot folder containing some files.
- After unzipping the folder, open boot.img file in your computer and place the same in the fastboot folder.
Note: Please be noted for applying this update, you will need to root XPERIA Z smartphone.
- Turn off your Xperia Z smartphone so that it can be entered in the Fast boot mode. Fastboot mode can be entered by holding Volume Down and Power buttons together. Once the phone is entered in the Fastboot mode, you will need to connect your phone to computer with USB cable.
- Open command prompt in your computer to enter the below mentioned commands one by one;
cd c:Fastboot
fastboot flash boot boot.img
fastboot -I 0x0fce flash boot boot.img
- When boot.img file is installed in the phone, you will get to see the message as finished/ okay. Once the installation process is done, you will then need to disconnect the device from computer and put the device in the recovery mode.
- In recovery mode, select “Wipe Data/ Factory Reset” and “Wipe Cache” options. Once selected, tap on “advanced” option to select the “Wipe Dalvik Cache” and then “Go Back” option.
- Select “install zip from sd card” and “choose zip from sd card” option from the recovery mode to select the firmware file of Jellybean 4.2.2 which you have placed initially in the device. Once selected, confirm the same and then the process of firmware update will commence. It will take around 4 -5 minutes for applying the update.
Note: If the device gets into the boot loop sequence or say gets stuck in the welcome screen, just long press the Power button and re follow the above instructions so as to again follow the above mentioned instructions.
So there you go, you have now successfully updated your phone with the latest firmware of Jellybean 4.2.2 in your SONY Xperia Z smartphone. Do let us know in the comments section just in case if you face any issues.
