Manual Update SONY Xperia Z with Official 10.3.A.0.407 Jellybean 4.2.2 Firmware

 

Wait for Jellybean 4.2.2 for XPERIA Z is finally over and in the due course of this article we will be checking out on how to install the same manually. Please note that you will have to make sure that your XPERIA Z smartphone has the model number of C6602 and C6603 and should be unlocked device. The model number can be checked from the path “Settings>> About phone”. This Jellybean 4.1.2 firmware is dubbed as 10.3.A.0.407. So, before proceeding to the detailed tutorial on how to apply this firmware, you will have to go through the list of instructions for applying this update, go through the list of pre requisites which we have mentioned below.

Quick Pre Requisites:

• Create a backup of all the data in your Xperia Z ONLY with the help of below mentioned steps. Kindly don’t use ROM Manager or any other tools like PC Companion etc. for creating the backup.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”

• Enable the USB Debugging Mode in your computer from the path “Settings > Applications > Development > USB debugging”. Make sure that your SONY Xperia Z is left with the minimum of 50% battery or else the device might just get turned Off in the middle of firmware update.

• Also, make sure that the MTP Mode is Disabled which can be done from the path “Settings > Xperia > Connectivity > USB Connection Mode” to select the MSC Mode and not the MTP Mode.

Disclaimer: We should not be held responsible or liable in any manner for any damage caused to the device which is very unlikely if you follow the instructions carefully mentioned in this article.

Assuming that you have followed all the above mentioned instructions, you can proceed on to next step where we have mentioned the detailed guide on how to apply with this firmware update. 

Procedure to Update SONY Xperia Z with Jellybean 4.2.2 Firmware:

• Download the Android 4.2.2 Jelly Bean leaked OTA Package 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.