Flash CM 12.1 Stable Android 5.1.1 on HTC One M7 – How to


The CM team started releasing stable builds of CyanogenMod 12.1 for various popular flagship devices last week. We already shared with you the links to flash CM 12.1 Nightlies on your smartphone, here is how you can now experience more stable performance with one of the most popular custom firmware for Android devices. Follow this guide to flash CM 12.1 Stable ROM on your HTC One M7.

Prerequisites to update HTC One M7 to CM 12.1 Stable Android 5.1.1 ROM:

  • Backup any important data from your HTC One M7 as a complete wipe will be required during the flashing process.
  • Make sure ADB and Fastboot is configured on your PC.
  • Your device must be rooted with unlocked bootloader and installed with a recovery tool.
  • Your device must be charged to at least 60% of power.

How to update HTC One to CM 12.1 Stable Android 5.1.1:

Required files: download CM 12.1 Stable Snapshot file for HTC One M7 and save it on your computer. Also download Google Apps Package.

1- Connect your HTC One M7 to your computer using a USB cable and copy the zip file and GApps to your phone memory's root folder.

2- Switch off your HTC One M7 and enter into Recovery mode: press and hold the Volume Down and Power buttons.

3- Select Backup and Restore to perform Nandroid Backup and then go back to main menu. Next, you must wipe data by selecting wipe data/factory reset.

4- Now, select Install zip from sdcard > choose zip from sdcard from the main recovery menu. Locate the CM 12.1 Stable Android 5.1.1 custom ROM for HTC One M7. Select and confirm.

5- When the CM 12.1 custom ROM is flashed, use the same method to install GApps. After you are done, select reboot system now to perform a normal boot. It will take some time to load all files as the first boot takes more time.