Install Android 5.1.1 CM12.1 Lollipop on Sony Xperia Z3

Sony Xperia Z3 has already received the update of Android 5.0 Lollipop, but that took considerably more time than any other device to arrive for this one. That same will happen when it comes to Android 5.1 Lollipop, although most of the GPe and Nexus devices have already received it and most of the other devices are getting it in the shape of Custom ROMs and when it comes to a Custom ROM, Team CyanogenMod is on the top of the list, as they tend to release the latest version based ROMs earlier than any other community or developer. CyanogenMod 12.1 based on Android 5.1.1 Lollipop is available for Xperia Z3, follow ahead to find out what and how about this ROM and your device.

The ROM is the Nightly Build, so there are some chances that you’ll find bugs and some performance issues in this ROM, but within further updates, hopefully, the problems will be solved, since this is an un-official release, don’t leave any comment on the CM official forum, but on the Official Thread of this ROM on XDA.In this article, we will show you How to Install Android 5.1.1 CM12.1 Lollipop on Sony Xperia Z3. If you are interested in Other ROMs, you can Visit our Custom ROMs section or you can install this ROM on your Sony Xperia Z3 by following our tutorial below. This is not an official release from Sony but a Custom ROM. Installation procedure uses the Fastboot commands to install this custom ROM. Your device must be rooted. Let’s go through the early preparations and then flash this ROM.

Install Android 5.1.1 CM12.1 Lollipop on Sony Xperia Z3

Early Preparations:

  • This is only for Sony Xperia Z3!
  • Battery should be charged at least over 60%
  • Unlock Bootloader Of Your Device.
  • Flash a Custom Recovery and Root Your device
  • Backup SMS Messages
  • Backup Call Logs
  • Backup Contacts
  • Backup Media – Copy your files manually to your PC or Laptop.
  • Titanium Backup – If already rooted, use Titanium Backup to backup all of your apps, system data and other important content.
  • Backup Nandroid –  If CWM  or TWRP installed previously, otherwise skip this step and perform this at the end of flashing


The methods involved in flashing custom recoveries, roms and rooting your phone are highly custom and may result in bricking your device, and has nothing to do with Google or the device manufacturer that is SONY in our case. Also rooting your device will void its warranty and you will be no longer eligible for any kind of free device services by the manufacturers/warranty providers. In case of any mishap we may not be held responsible. Follow these instructions to the letter to avoid any mishap or bricking. Make sure that whatever you do, you are doing it at your own responsibility.

Downloads Required:

Android 5.1.1 CM12.1 ROM: Link

Gapps: Link | Mirror

How to Install CM12.1 Custom ROM:

  • Connect your device with PC.
  • Copy and Paste the Above zip files to the root of your sdcard.
  • Open Recovery mode. How?
  1. Connect your device with PC
  2. Open Command Prompt in Fastboot folder. (ADB and Fastboot Tools Installer)
  3. Now Type: adb reboot bootloader
  4. Choose Recovery from Bootloader

CWM/PhilZ Touch Recovery:

  1. Back-up your ROM using the Recovery.
  2. To Perform a Back-up, Navigate to Back-up and Restore on Next screen, Choose Back-up again.
  3. Go back to Main Screen after the Back-up is complete.
  4. Then Navigate to ‘advance’ and choose ‘Dalvik Wipe Cache’, so you won’t get in any bootloop.
  5. Navigate to ‘Install zip from sd card’ another windows will open in front of you.
  6. Finally Select “Wipe Data/Factory Reset”
  7. Select ‘choose zip from sd card’ from the Options.
  8. Select the file and confirm the installation on next screen.
  9. Go Back and Flash
  10. Once the Installation is Over, Select +++++Go Back+++++
  11. Select Reboot Now to Reboot the System.

TWRP Users.

  1. Tap On Back-Up and Select System and Data
  2. Swipe the Confirmation Slider
  3. Tap on Wipe Button and Select Cache, System, Data.
  4. Swipe the Confirmation Slider.
  5. Go back to Main Menu and Tap Install Button.
  6. Locate the, and Swipe the Slider To install it.
  7. Once the Installation is Over, you will be promoted to Reboot System Now
  8. Select Reboot Now to Reboot the System.

The First boot might take up-to 5 minutes, so please be patient.

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