Samsung Galaxy S4 has a 5″ 1080p Super AMOLED display (PenTile 441 ppi), a pseudo octa-core Samsung Exynos 5410 or quad-core Qualcomm Snapdragon 600 (depending on region), 2 gigs of RAM, up to 64 gigs of storage, 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.
There is still no visibility on when Samsung Galaxy S4 will get Marshmallow update. Leaks have suggested it will take around middle of next year. Instead of waiting till then, you can install CM 13 ROM which will update S4 to Android 6.0 Marshmallow. Follow the guide below.
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:
- 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
- Galaxy S4 must be rooted
- Custom Recovery like CWM or TWRP installed
- CM 13 zip file
- Gapps zip file
- Gapps Fix
Steps to install CM 13 ROM on Galaxy S4:
- Create a Nandroid backup from recovery, in case anything goes wrong.
- Download the CM 13 ROM zip file and Gapps zip file and transfer it to the phone.
- Switch off the phone and boot the phone into Recovery mode.
- Next, wipe the cache and the dalvik cache.
- Now go to “Install zip” and then “Select zip”. Choose the CM 13 ROM zip file.
- Now again clear cache and dalvik cache.
- Go to ”Install zip”, then “Select zip”. Choose the Gapps zip file.
- Perform steps 6 and 7 for Gapps fix.
- Then perform full data wipe task. To do so, click “Wipe Data/Factory Reset”, then choose “Yes” on next screen to confirm.
- After the process is complete, reboot the phone.