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How to Install CM 12.1 Android 5.1.1 Stable ROM for Wi-Fi Xperia Tablet Z.

Sony Xperia Tablet Z Wi-Fi CM 12.1 Stable is a smoother and more reliable Android 5.1.1 Lollipop custom ROM than the Nightly CM 12.1 builds. So, you should try it on your tablet in case you would like to experience the AOSP Android 5.1.1 Lollipop + CyanogeMod combo experience instead of the original Sony-branded interface.

÷ Prerequisites:

•This guide can be used only with the Sony Xperia Tablet Z Wi-Fi models.
– don’t use this guide for other Xperia models.

• Your device needs to be on rooted firmware and a custom Recovery should be installed on it.
– both CWM and TWRP Recoveries are working with this post.
– the installed custom Recovery needs to be upgraded to its latest edition, so that it supports the latest Android 5.1.1-based custom ROMs.

•Check your device’s battery charge, it has to be over 50% to prevent it from powering off during the CM 12.1 installation process.

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Android Custom ROM fix ® provide various Firmware Updates and Rooting process along with Custom ROM,Modes,file are all belong  to their owners/developers. The autor of this site or the developers are not responsible,  if you damage or brick your device.Do it on your own risk and follow the instruction properly.

÷ How to Install CM 12.1 Android 5.1.1 Stable ROM for Wi-Fi Xperia Tablet Z:

1- Download the CM 12.1 SNAPSHOT zip & Gapps for Android 5.1.1 ROMs from here.

2- You have to transfer these files on to your tablet’s internal storage.
– do not unzip the archives.
– after the files are transferred you can disconnect the device from computer.Power off your Xperia Tablet Z.

3- Boot it in Custom Recovery Mode.First you will need to create a full NANDROID Backup for the installed ROM:
– CWM: select ‘backup and restore’.
– TWRP: select ‘wipe’ option.
– rename this backup file and confirm the process.Now you can factory reset the device:
– CWM: select ‘wipe data/ factory reset’.
– TWRP: select ‘wipe’ option.
– confirm.Start CM 12.1 Stable Android 5.1.1 ROM flashing process for Xperia Tablet Z Wi-Fi:
– CWM: select ‘install zip from sdcard’, then ‘choose zip from sdcard’.
– TWRP: select ‘install’.

5- Find the CM 12.1 zip and confirm its installation.

6- After the custom ROM is done installing you can flash the Gapps zip in the same way.

7- Reboot your Xperia Tablet Z in normal mode after all the new files are installed on your device.

Use your Google account info in roder to regain complete control over your device once again.

These were the steps that you had to take in order to complete the installation process of this new custom ROM.

If the first boot process of CM 12.1 Stable ROM takes more than 30 minutes, or the phone has entered in a boot loop, then you will be forced to try and repeat the whole guide more than once. Make sure not to skip any steps and that your tablet meets all requirements before repeating installation.


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