Samsung Galaxy S4 released in March 2013 comes with two different versions – octacore processor and quadcore processor. Galaxy S4 i9500 is the octacore version having a Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7 processor. It has 2GB of RAM with 16/32/64 GB internal storage along with an expandable microSD card slot.
Galaxy S4 i9500 ran on Android 4.2.2 at the time of its release and it is upgradable to Android 4.3. But you can update it to the latest Android 4.4.1 with the CM 11 custom ROM. You will need root access as well as custom recovery to flash the CM 11 ROMs. Follow the instructions given below.
Disclaimer: Follow the instructions at your own risk. The writer cannot be held responsible for any bricked or unusable devices. Even though the chances of your Smartphone getting bricked are negligible, the owner of the device must take full responsibility of it!
Note: This ROM might have some bugs.
Pre-requisites and Backing up your Galaxy S4 i9500:
- Create a Nandroid Backup
- Backup and Restore your Android smartphone via Desktop PC
- Backup/Sync and Restore contacts on Android smartphone
- Backup WhatsApp messages on Android Smartphone and Email
Steps to install Android 4.4.1 on Galaxy S4 i9500:
- Create a Nandroid backup from recovery, in case anything goes wrong.
- Download the CM 11 zip file and Gapps zip file and place it on the SD card of the phone.
- Switch off the phone and boot the phone into Recovery mode.
- Then perform full data wipe task. To do so, click “Wipe Data/Factory Reset”, then choose “Yes” on next screen to confirm.
- Next, wipe the cache and the dalvik cache. Also format the system.
- Now go to “Install zip from SD card” and then “Select zip from SD card”. Choose the CM 11 zip file.
- Now again clear cache and dalvik cache.
- Go to ”Install zip from SD card”, then “Select zip from SD card”. Choose the Gapps zip file.
- After the process is complete, reboot the phone.