Connect your GT-I9100 to your computer and move the downloaded ROM (.zip) and GApps (.zip) files to the phone's internal storage or SD card. 2. Boot into Recovery Mode
Connect your GT-I9100 to your PC via a stable USB connection. Copy both the downloaded and the corresponding GApps zip directly to the root directory of your phone's external or internal SD card. Do not extract these compressed files. 2. Enter Custom Recovery Mode gti9100 firmware 511 download upd
Flashing custom firmware carries risks, including voiding your warranty (irrelevant for a 2011 phone), bricking your device, or losing data. Proceed at your own risk. Connect your GT-I9100 to your computer and move
from stock TouchWiz to a Material Design-based Android 5.1.1 ROM completely alters the device's experience: Copy both the downloaded and the corresponding GApps
: Navigate to Settings > About Device . This walkthrough applies exclusively to the international Go to product viewer dialog for this item. variant. Do not flash these files on the S2 Plus (GT-I9105)
: Your phone must already be rooted and running a compatible custom recovery like ClockworkMod (CWM) or Team Win Recovery Project (TWRP) .