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Install CM 12 Nightly Android 5.0.2 ROM for Motorola Droid Mini, Ultra and MAXX

The official CyanogenMod 12 Nightly ROM is now live as an unified build for three Motorola devices, the Droid Mini, Droid Ultra and Droid Maxx. Check the info listed in this post in order to learn how to successfully flash this new custom ROM for your device.

CyanogenMod team uses the Android 5.0.2 Lollipop builds as a base for their CM 12 Nightlies, but you will find tons of other extra features and improvements that should make your old Motorola Droid device run the latest Android firmware without too many problems. In this post you can find an unified CM 12 Nightly build for all Droid Mini, Ultra and MAXX models. Check the CyanogenMod website here for more info on CM 12 Nightlies, and their wiki page here for the unified Droid models.

Also, check the CMxlog page here for the latest info on all changes applied by the CM team on each new Nightly build.

Before starting the installation process you should read the following guidelines:

  • use this guide only with the Motorola Droid Mini, Ultra and MAXX models.
    – all these devices were launched in 2013.
    – do not try to flash any file you find in this post on any other different device.
  • your phone has to be on unlocked bootloader, it has to be rooted and running the latest build of either CWM or TWRP Custom Recovery.
    – the installed Recovery needs to be upgraded to its latest version, so that it supports the latest Android 5.0.2 Lollipop ROM installations.
  • in the tutorial you will find two extra preparation steps: NANDROID Backup and the Factory Reset.
    – do not skip these steps.
    – the NANDROID Backup creates a full restore point for your device, one that can be easily used to restore the phone to its original state in case the new ROM doesn’t boot in normal mode.
    – Factory Reset wipes clean the system partition where the previous ROM is storing all of its data.
    – the old ROM has to be removed, so that the new CM 12 Nightly ROM installs and boots successfully.
    – ‘factory reset’ process won’t delete any data from the internal storage of your device.
  • if you need to save any data from installed applications, then you can try the Helium tool for Android devices.
    – Contacts data and People details can be synced with your default Gmail account.
  • use this guide only if you are an advance Android user, we cannot be held responsible in case you end up losing any data nor in case you end up bricking your device’s firmware.
  • check the battery charge level and make sure that it is over 50%, it prevents the device from powering down during installation process.
  • read the whole tutorial first and do not skip any steps.

After you complete the CM 12 Nightly installation you should that you can keep updating it with new Nightly builds by going to Settings> About Phone> CyanogenMod Updates menu.

How to flash CM 12 Nightly Android 5.0.2 ROM for Droid Mini, Ultra and Maxx:

  1. Download the CM 12 Nightly zip file from here.
  2. Download Gapps for CM 12 ROMs from here.
  3. Move both zip files to your phone’s internal storage.
    – don’t unzip the contents and disconnect the device from PC.
  4. Power off the phone and then boot it in Custom Recovery Mode.
    – both CWM and TWRP custom Recovery versions are working with this post.
  5. Create the NANDROID Backup:
    – for CWM use the ‘backup and restore’ function, while for TWRP you should use the ‘backup’ menu.
    – set a name for the file and confirm process.
  6. Apply the ‘factory reset’ now:
    – CWM: select ‘wipe data/ factory reset’.
    – for TWRP use the ‘wipe’ menu.
    – confirm the factory reset.
  7. Start the CM 12 Nightly installation.
    – for CWM select ‘install zip from sdcard’, then ‘choose zip from sdcard’.
    – TWRP users should open the ‘install’ options menu.
  8. Find the ROM zip file and confirm the installation process.
  9. After the CM 12 ROM is flashed you can install the Gapps zip too.
  10. Reboot your phone in normal mode after the CyanogenMod 12 and the Gapps files are flashed with success.
    – the first boot process of this new ROM might take a while before it loads all new files.
  11. Use your Google account or create a new CyanogenMod profile in order to retake complete control over your device.

NOTE: in case the first boot takes more than a half hour by staying stuck at the boot animation or entering into a boot loop, then you will be forced to try and repeat the whole guide more than once.

If you do repeat the guide, then make sure that your device meets all requirements and that you won’t skip any steps.

Use the comments field in case you need any extra help.

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