Samsung Galaxy S2 phones can now be updated to Android 6.0.1 Marshmallow using the OctOS custom ROM. OctOS brings exclusive features for the device.
Samsung Galaxy S2 phones with model number I9100 just received support from OctOS custom ROM to put Android 6.0.1 Marshmallow in the phone's system. OctOS firmware contains a host of Marshmallow's features on top of the ROM's exclusive tweaks.
Before installing OctOS on Samsung Galaxy S2, 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 S2 I9100:
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.
