Samsung Galaxy S4 i9505 has a 5″ 1080p Super AMOLED display (PenTile 441 ppi), quad-core Qualcomm Snapdragon 600, 2 gigs of RAM, up to 64 gigs of storage, LTE connectivity, and a 2600 mAh battery. Furthermore, the device features additional features such as floating touch and a 13 MP shooter featuring a revamped camera interface.

A CM 12 ROM running on the latest Android 5.0.2 is available for the Galaxy S4. This is the first Android Lollipop ROM for the Galaxy S4 Snapdragon 600 variant that brings Android 5.0.2 Lollipop update, ahead of the official roll-out. Follow the guide below to install it on your device.


Disclaimer: Follow the instructions at your own risk. If the device gets damaged, the writer or the owner of the site must not be held responsible.

Pre-requisites and Backing up your Galaxy S4:


Steps to install CM 12 ROM on Galaxy S4:

  1. Create a Nandroid backup from recovery, in case anything goes wrong.
  2. Download the CM 12 ROM zip file and Gapps zip file and transfer it to the phone.
  3. Switch off the phone and boot the phone into Recovery mode.
  4. Next, wipe the cache and the dalvik cache.
  5. Now go to “Install zip” and then “Select zip”. Choose the CM 12 ROM zip file.
  6. Now again clear cache and dalvik cache.
  7. Go to ”Install zip”, then “Select zip”. Choose the Gapps zip file.
  8. Then perform full data wipe task. To do so, click “Wipe Data/Factory Reset”, then choose “Yes” on next screen to confirm.
  9. After the process is complete, reboot the phone.

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