Samsung Galaxy S4 LTE now got the support of OctOS custom ROM based on Android 6.0.1 Marshmallow. The custom build offers a couple of exclusive features on top of a few originals.
OctOS custom ROM offers exclusive features and latest tweaks based on Android 6.0.1 Marshmallow for Samsung Galaxy S4 LTE with model number I9505. However, OctOS is still in beta version so bugs will more likely occur once in a while. Developers assure Galaxy S4 owners that this will be stable, fast and smooth when the final versions is released in the coming weeks.
Before installing OctOS on Samsung Galaxy S4 LTE, take note of the following reminders and prerequisites first:
1. Do not use any other variant not prescribed. Otherwise, it may cause damage.
2. Install TWRP Recovery here.
3. Back up all necessary data here. Samsung KIES can also be used for backup.
4. Download USB driver here.
5. Installing the any custom ROM induces risk of damaging device. Neither this site nor developers of the OctOS ROM will be held responsible for such damage.
To download and install Android 6.0.1 OctOS Marshmallow to Samsung Galaxy S4 LTE I9505:
1. Download on PC the Android 6.0.1 OctOS ROM here and Google Apps here.
2. Connect phone to PC using the USB cable.
3. Copy then paste downloaded ROM to phone's memory or SD card.
4. Switch off phone and plug it out from the PC.
5. Go to Recovery Mode by press holding volume up, home and power buttons.
6. Choose 'Wipe' to delete of data and 'Swipe to Factory Reset'.
7. Go to Advance and choose 'Wipe cache/dalvik' button.
8. Go to main menu and choose 'Install'. Choose the copied ZIP file on the phone.
9. Choose 'Swipe to Confirm Flash'.
10. Wait for the installation to complete then go to +++++Go Back+++++.
11. Choose 'Reboot System'.
Check the new software version on Settings > About phone.
