How To Install Android 5.0.2 Lollipop on Xperia M via CM12 Nightly [Official]

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Android 5.0.2 Lollipop based official CM12 (nightly) custom firmware for Xperia M is now available. With the help of CM12 (nightly) ROM you can update your Xperia M to a well customized Android 5.0.2 Lollipop. This may not be only way to update your device to Android 5.0.2 Lollipop but surely a good option to try out. There might be few unofficial Android 5.0.2 based custom ROM available for Xperia M but if you are waiting for an official CyanogenMod 12 nightly release then its good time to jump. The build will update daily basis and unported features will be seen soon. Since this is an early build, you should expect bugs and force close here and there but overall it should offer you a smooth experience. If you willing to upgrade your Xperia M using CM12 (nightly) custom ROM then continue reading this guide to learn easy installation steps.

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Some of the cool Android 5.0.2 Lollipop features that you will enjoy are improved Ok Google with standby mode support, Tap to Go, double tap to wake, Ambient Display, improved Face unlock, Lock screen notifications, Priority Mode, Guest Mode, Pin App feature that won’t let you leave an app without entering a passcode, improved Quick Settings, Overview – an improved multitasking, Material Design and many more.

cyanogenmod-12-cm12-android-lollipop

Warning!

This tutorial is only for Xperia M. Don’t try this guide on any other Android device. Also, we (True Android Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

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1. Backup your device data. You can follow our ultimate backup guide.

2. Make sure your device have at least 60% battery power. You can install an app like Battery Percentage on your Android device to check it easily.

3. You already have USB Driver Installed for Xperia M in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and Xperia M. [Guide].

5. Your device have latest CWM recovery or TWRP recovery installed. [Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 5.0.2 Lollipop based CM12 (nightly) ROM on Xperia M.

Please Note: If your device already running on CM11 ROM then you don’t need to perform wipe.

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File Required(Download by clicking on it)

  1. CM12 (nightly) ROM For Xperia M [Filename: cm-12-20150222-NIGHTLY-nicki.zip] [Always download latest build]
  2. Google Apps [Filename: gapps-lp-20141212-signed.zip] or any other Android 5.0 Lollipop GApps

How to Install Android 5.0.2 Lollipop based CM12 (nightly) ROM on Xperia M

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your Xperia M.
  3. Now, boot into recovery mode. To do so, reboot phone and press Volume Up button few times while booting [in recovery use volume buttons to scroll and Power button to select]. Alternatively try this: Recovery Mode without Key Combination.
  4. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
  5. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
  6. Select install zip from sdcard, then select choose zip from sdcard (or /sdcard1 for external storage). Now, locate the CM12 (nightly) Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
  7. Once the ROM installation process end, repeat the step 6 but choose the gapps-lp-20141212-signed.zip file instead of ROM zip to install the Google apps package.
  8. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your Xperia M and boot up into Android 5.0.2 Lollipop ROM CM12 (nightly).
  9. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your Xperia M.
  3. Now, boot into recovery mode. To do so, reboot phone and press Volume Up button few times while booting. Alternatively try this: Recovery Mode without Key Combination.
  4. Create a Backup using TWRP Backup Option.
  5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
  6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the CM12 (nightly) Zip file. Then tap on Add More Zips, and add gapps-lp-20141212-signed.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
  7. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your Xperia M and boot up into Android 5.0.2 Lollipop ROM CM12 (nightly).
  8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 5.0.2 Lollipop firmware based custom ROM CM12 (nightly) is now installed and running on your Xperia M.

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