How To Install Xperia Z C6602 Android 4.2.2 Firmware [10.3.1.A.2.67]

Sony Xperia Z C6602 recently received Android 4.2.2 Jelly Bean firmware v10.3.1.A.2.67 which expected to comes with better performance and security fixes. Xperia Z comes with Android 4.1.2 Jelly Bean, which later upgraded to Android 4.2.2 Jelly Bean. Now, if you still on Android 4.1.2 Jelly Bean then this guide will help you to upgrade your smartphone to even better and latest OS. This article also good for those who looking for latest firmware despite having Android 4.2.2 Jelly Bean on Xperia Z C6602. In this guide we going to discuss how to install Android 4.2.2 Jelly Bean firmware v10.3.1.A.2.67 on Xperia Z C6602.

Xperia Z is one of the high end smartphone that Sony introduced this year. This waterproof, dustproof smartphone already took good attention. With quad-core 1.5 GHz Krait processor, Adreno 320 GPU and 2GB RAM, Sony made sure this smartphone can run most future updates that going to come from Google within next 3-4 years.

You can update your Xperia Z C6602 to Android 4.2.2 Jelly Bean firmware v10.3.1.A.2.67 using 3 different procedure. You can get this update through OTA or Sony PC Companion for Windows/Sony Bridge for Mac. If you don’t get the said update from there then you can go with manual installation process that we discussed later on this article.


Before describing how to install Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware on Xperia Z C6602, we must go through backup process to avoid data lost since flashing Sony firmware manually wipe your existing data.


This tutorial is only for educational purpose. We are not liable if anything wrong happen to your device while following this. Use this guide at your own risk!

Xperia Z C6602 Data Backup Guide

Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.

SMS & Call LogUse SMS, MMS & Call Log Entries Backup & Restore App
Contacts & SettingsUse Android default backup options.
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
WhatsApp MessengerManually Backup WhatsApp Messenger Data.


  1. Make sure your device have at least 80% battery power, otherwise your device may see a hard brick if device turn off during installation. [How to Check Battery Percentage in Android Device]
  2. You already have USB Driver Installed for Xperia Z C6602 in your PC. [Download USB Drivers]
  3. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and mobile. [Guide]

Once you ticked all the above mentioned steps, you are ready to move next stage of this guide where we going to describe how to install Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware on Xperia Z C6602.

How To Update Sony Xperia Z C6602 to Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware via OTA

Step 1: Make sure you have stable internet connection (Wi-Fi recommended) on your devices.

Step 2: Power up your device, go to android apps drawer, select Settings.

Step 3: Now look for Systems under Settings, then tap on About phone among available options.

Step 4: Next, select Software update under About phone.

Step 5: You should see an update available, press OK to download and install.

Step 6: Your device will reboot automatically once installation done to complete installation.

Step 7: If you see “The latest updates have already been installed”, you have to wait for Sony to release the OTA update.

Step 8: If you really want the OTA update then go for manual update instruction that we described later.

How To Update Sony Xperia Z C6602 to Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware via Sony Companion / Bridge

Step 1: Again, make sure you have stable internet connection on your computer.

Step 2: Download and install Sony Companion for Windows / Sony Bridge for Mac on your computer.

Step 3: Power up your device and connect it to computer with USB cable.

Step 4: Open up Sony Companion / Sony Bridge on your computer and then wait few minutes to allow Sony Companion / Sony Bridge to detect your device.

Step 5: You should see New Firmware Upgrade is available at the home of Sony Companion / Sony Bridge .

Step 6: Press on Firmware Upgrade button to proceed.

Step 7: Now follow onscreen instruction to download and install the firmware. Do not disconnect your device at this moment.

Step 8: You should see your device running upgrade and reboot automatically.

Step 9: Once rebooted check device firmware version, To do so, go to Settings –> About Phone–> Android & Baseband version.

Step 10: However, if you see “Your phone/tablet is up to date” in Sony Companion / Sony Bridge, you either have to wait for Sony Mobile to release the update via Sony Companion / Sony Bridge or follow manual update instruction that we going to discuss next.

How To Install Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware on Xperia Z C6602 Via Flash Tool

Step 1: Download Xperia Flash tool and Xperia Z v10.3.1.A.2.67 firmware.

Step 2: Extract the firmware archive and you will get a .ftf file which we need to update our Xperia Z C6602.

Step 3: Double click on downloaded Flash tool file and install it on C drive (assuming C is your system drive).

Step 4: Now navigate to C: –> Flashtool –> Firmwares and delete all the data over there if anything is present.

Step 5: Once you complete deletion, move the extracted C6602_10.3.1.A.2.67_MAR by bleu.ftf file in Firmwares directory.

Step 6: Now open Xperia Flash tool and click on Flash button (thunder button) located at top-left.

Step 7: A pop-up window appear asking you to choose between Flashmode and Fastboot mode. Select Flashmode and hit OK button.

Step 8: You will now see a firmware selection window. Select C6602 (version 10.3.1.A.2.67) from left side and tick only following 4 option on right side (if you don’t want to wipe your data then leave it but it may create problems such as boot loop and app crash).

  1. Wipe data
  2. Wipe cache
  3. Wipe apps log
  4. No final verification

Step 9: Click on OK to allow Flash tool prepare the installation process. You soon be asked to connect your Xperia Z C6602 to computer while your phone is on Flashmode. To do so, switch off the phone completely. After that, hold Volume down key and then connect it to PC. If done correctly, you should see a green light on the power.

Step 10: Once the connection done properly, the Flash tool will start the installation process. The installation process my look hang or stuck but don’t do anything, just be patient and wait till it finishes completely.

Step 11: Once you see Flashing finished message in Flashtool, you are ready to disconnect your phone from computer. Disconnect it and wait until you phone reboot. The first boot usually take more time than normal so don’t panic.

That’s it! You just learned how to install Android 4.2.2 Jelly Bean v10.3.1.A.2.67 firmware on Xperia Z C6602. You can drop your view in comment regarding this firmware update.