Samsung Galaxy S II (GT-I9100M) Firmware Overview
What is the latest GT-I9100M firmware?
I9100MUGMA5, released January 29, 2013 with Android 4.1–4.3. The archive holds 3 official builds across 3 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S II still getting updates?
Most likely not: there has been no new firmware since January 2013, so Android 4.1–4.3 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
All GT-I9100M firmware builds
Latest GT-I9100M Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| BMC | I9100MUGMA5 | — | 4.1–4.3 | 2013-01-29 |
| BWA | I9100MUGMA5 | — | 4.1–4.3 | 2013-01-29 |
| VMC | I9100MUGMA5 | — | 4.1–4.3 | 2013-01-29 |
How to Flash GT-I9100M Firmware
Put the Samsung Galaxy S II into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.