Backup all data, as this process will wipe your phone. Drivers: Install Samsung USB Drivers on your PC.
You must have a custom recovery like TWRP installed. Due to the age of the device, you may need a "kernel with TWRP" to handle the newer Android file systems. 2. Download Necessary Files
(e.g., from XDA Developers):
Updating from the stock Android 4.1.2 to a custom Android 5.1.1 firmware offers several advantages:
Once the ROM is finished, go back to Install and select the GApps .zip file. This ensures you have the Play Store and Google services. gti9100 firmware 511 download upd
To avoid conflicts and ensure a clean install, wipe the following partitions:
Ensure your GT-I9100 has at least 70% battery. A power failure during flashing will brick the device. Backup all data, as this process will wipe your phone
CyanogenMod 12.1 (Android 5.1.1) for i9100: Search for the final "Stable" or "Snapshot" builds on XDA Developers or reputable ROM archives.
Samsung Galaxy S2 (GT-i9100) Go to product viewer dialog for this item. Due to the age of the device, you
