Sony Xperia M Android 5.1.1 Lollipop: Update Xperia M to Android 5.1.1 via CM 12.1 ROM

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In this tutorial checkout how to update Sony Xperia M to Android 5.1.1 Lollipop via CM 12.1 Nightly Custom ROM – Guide

Sony came up with Xperia M on June 2013 and it sports 4.0 inch capacitive touch screen display with 480 x 854 pixels resolution, 1 GHz dual-core Krait Snapdragon S4 Plus processor combined with Adreno 305 GPU and 1GB RAM. Xperia M comes with 4GB internal storage which is expandable using microSD card up to 32GB and it runs on Android 4.1 Jelly Bean out of the box and is upgradable to Android 4.3 Jelly Bean and is not expected to receive the Android 5.0 Lollipop firmware update, so the users have to depend on the Custom ROMs to update their device to lollipop. So we have come up with CM 12.1 Nightly Custom ROM for Xperia M.

Update Xperia M to Android 5.1.1 via CM 12.1 ROM

CM 12.1 Nightly is based on Android 5.1.1 Lollipop firmware and brings all the features of the Lollipop firmware to Xperia M. As this version is still in Nightly build it may contain some bugs which can be fixed over the time via OTA or manual patches.

To install this ROM on your Xperia M, you must have root access and Custom Recovery installed. If you haven’t yet rooted and installed Custom Recovery then go and get it done first.

Getting Prepared:

  1. Charge Xperia M to at least 80% before your proceed with the update process.
  2. Ensure that USB Debugging is enabled on Xperia M.
  3. Make sure to backup all of your data. Backup SMS, Contacts, Call Logs etc.
  4. Install Sony USB Drivers on PC.
  5. Also install and setup ADB and Fastboot drivers on PC.
  6. Backup TA Partition.
  7. Make a Nandroid backup.

Disclaimer: We should not be held liable or responsible for any damage to your Xperia M. Understand the risk involved and proceed at your own risk.

Downloads:

CM 12.1 Nightly ROM

Google Apps Package

Also Read: How to update Xperia Z3 D6603 to Android 5.0.2 Lollipop 23.1.A.0.690 Firmware

How to Update Sony Xperia M to Android 5.1.1 Lollipop via CM 12.1 ROM:

Step 1: Download the ROM package and Google Apps package.

Step 2: Copy both the packages to the Root of your SD card or internal Storage.

Step 3: Boot Xperia M to Recovery Mode.

  • Power off Xperia M.
  • Press and hold Volume Up and Power buttons simultaneously.

Alternatively you can use Quick Boot (Reboot) app, to boot into Recovery Mode.

Step 4: Once you are in Recovery Mode follow the tutorial listed here and flash both the ROM package and Google Apps package.

Step 5: Reboot your device to normal mode to enjoy Android 5.1.1 Lollipop firmware.

Congratulations! Your Xperia M is running on Android 5.1.1 Lollipop firmware. This is how we can update Xperia M to Android 5.1.1 Lollipop firmware using CM 12.1 Nightly Custom ROM.

Do share this tutorial with your friends on Facebook, Twitter and Google Plus etc. and help your friends in updating Xperia M to Android 5.1.1 Lollipop firmware.

Have any question? Leave them in the comment section below.

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