Sony Xperia Tablet Z can now be updated to the latest Android 4.3 Jelly Beanfirmware via newly released unofficial build of CyanogenMod 10.2 custom ROM. The CM10.2 ROM offers a fast and stable Jelly Bean experience for Sony Xperia Tablet Z users on the latest Android platform.
As this is an unofficial nightly build ROM, it may harbour a few untested bugs or broken features leading to FC errors or boot loop issues. If any such issues arise, just reinstall the latest stock/official firmware or any other stable ROM to fix it.
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 forSony Xperia Tablet Z only.
2. Make sure your device have at least 80% battery power.
3. Make sure USB Debugging is enabled
4. Make sure your device must ClockworkMod Recovery (CWM) installed
II. Downloading Required Files:
1. Xperia Tablet Z (3G + WiFi).
3. Google Apps
III. How to Install Android 4.3 Jelly Bean on Sony Xperia Tablet Z
1. Download Android 4.3 CyanogenMod 10.2 ROM for Sony Xperia Tablet Z and alsodownload Google Apps on computer.
2. Connect the Xperia tablet Z to computer via USB cable.
3. Copy the downloaded firmware zip to the root folder on tablet’s SD card.
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4. Disconnect the tablet from computer and then Power it off
5. Boot the Xperia tablet Z into recovery mode by pressing and holding Volume Down, Power buttons together.
Note: In recovery mode, use Volume buttons to navigate between options andPower button to select the desired option.
6. In recovery mode first a Nandroid backup of the existing ROM.
A Nandroid backup, select Backup and Restore then select Backup again on the next screen. When backup is completed return to the main recovery menu.
7. Select wipe data/factory reset then select Yes on the next screen to confirm the action.
8. Then select wipe cache partition and after the wiping process completes select Wipe Dalvik Cache under advance option. Once the wiping process is done, return to the recovery menu.
9. Select Install Zip from SD card then select Choose Zip from SD card. Now locate the Android 4.3 CyanogenMod 10.2 ROM zip which was earlier copied to the tablet’s SD card. Hit the Power button to select it and confirm installation on next screen.
10. Once the installation process is complete, return to the main recovery menu and hit Reboot System Now.
The Xperia Tablet Z should now be successfully updated with Android 4.3 CyanogenMod 10.2 ROM. Navigate to Menu>> Settings>> About Tablet>> Software info to verify the new firmware installed.
NOTE: To go back to the previous ROM in Step 6, boot the tablet into recovery mode. Then select Backup and Restore and restore the ROM by selecting it from the list.
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