Sony Xperia ZR receives new Android 4.2.2 Jelly bean update, for both HSPA+ and LTE versions bearing model number C5502 and C5503 respectively. This is the same firmware update which Sony released for Xperia Z and ZL earlier.
This update is available via OTA (Over-The-Air) as well as through Sony PC Companion/Sony Bridge. If you want to download this update via OTA Navigate to Settings>> System>> About phone>> Software update and check for the OTA update. Click OK to download and install the new update.
Sony Xperia ZR users, who cannot wait for the update to reach their region, may use the following tutorial but see that you use C5502 and C5503 models of Xperia ZR only.
Disclaimer: The procedure given in this tutorial is considered as risky and may cause damage to your phone. It is recommended that you should not follow it unless you are familiar with these things. Follow this guide completely at your own risk.
I. Before You Begin:
1. The following procedure works for Sony Xperia ZR Model No C5502 and C5503 only.
2. Make sure your device have at least 80% battery power.
3. Make sure USB Debugging is enabled
II. Downloading Required Files:
III. Install Android 4.2.2 Jelly Bean on Xperia ZR via Sony Flash Tool
Step-1: Download Android 4.2.2 Jelly Bean update for Xperia ZR to your computer.
Step-2: Download Sony Flashtool and install it in your computer.
Step-3: Launch the flashtool
Step-4: Connect your Sony Xperia ZR to the computer using an USB cable.
Step-5: Copy the downloaded ftf (official firmware file) to the C:flashtoolfirmwares folder in your computer.
Step-6: On the flashtool, click the lightning icon and click flashmode then click OK. A new windows should appear now.
Step-7: At the right sidebar, check Data, Cache, Appslog boxes if users wish to wipe the device before flashing. To retain the device data, uncheck all the boxes.
Step-8: At source folder, browse and choose .ftf in the flashtool/firmwares. .ftf
Step-9: Now press flash button to start flashing.
Step-10: Follow the prompted instructions.
>> First to unplug the phone from the computer
>> Second you need to power off the device
>> Third, enter Flash Mode on the device by pressing and holding Volume Down button.
Step-11: Monitor the Flashtool in the computer. It should continue to run and flash the .ftf
Step-12: Wait until the installation is completed. When the installation process is completed a message saying Flashing finished will appear from the flashtool.
Step-13: Power on the device. It should now be updated with the new official firmware.
To verify the new software version running on the phone, navigate to Settings>> About phone>> Android & Baseband version.
Congratulations now you can experience the Android 4.2.2 update on the Xperia ZR if you have followed all the above instructions carefully.