I9100UHMS8 Android 4.1.2 Jelly Bean Official Firmware Update for Galaxy S II I9100

• Last modified: Android Tips

I9100UHMS8 Android 4.1.2 for Samsung Galaxy S2 I9100 was released today — the latest official Jelly Bean firmware update by Samsung. Don’t expect any major new features added since only bug fixes have been included in this firmware update. UHMS8 Android 4.1.2 firmware is also available at Samsung KIES, or we have already written a guide on: How to Update Galaxy S2 I9100 to UHMS8 Android 4.1.2 Jelly Bean Official Firmware. Samsung has been slowly releasing Android 4.1.2 to various countries. This UHMS8 Android 4.1.2 firmware is an unbranded firmware, and can be easily installed on any Galaxy S2 I9100 (except China / Taiwan regions). Galaxy S2 UHMS8 Android 4.1.2 Jelly Bean latest firmware update can be downloaded along with the complete tutorials from the links below.

As you read further, we have tutorial links of how to install Android 4.1.2 UHMS8 on Galaxy S2 I9100 using ODIN. You do not need to have a rooted phone or ClockworkMod recovery since we are using ODIN which is way better than depending on a custom recovery (CWM recovery). Please make a backup of your phone (read our backup tips given in the tutorial) before doing anything with it. Continue reading below for more updates and tutorials on the latest I9100UHMS8 firmware.

Samsung Galaxy S2 I9100 - I9100UHMS8

Android 4.1.2 UHMS8 Firmware Features:

Here is a list of the amazing new features Android 4.1.2 offers on the Galaxy S2:

  • Buttery Smooth Performance & Great Stability (Thanks to Project Butter)
  • Full User Interface Revamp (Same UI as of the Galaxy S III and Galaxy Note II)
  • TouchWiz Nature UX
  • Samsung’s S Cloud services
  • New Lockscreen With Many Customization Options
  • New Features like Direct Call, Smart Stay and Pop-up Play
  • New Widgets (From Galaxy S III)
  • Free 50GB Dropbox Storage
  • 2 Home screen modes
  • New Notification bar With More Notification Toggles
  • Google Now

I9100UHMS8 Firmware Details

Here are the firmware details of I9100UHMS8 Android 4.1.2 for Samsung Galaxy S2 I9100:

PDA: I9100UHMS8
CSC: I9100UUBMS5
Version: 4.1.2

Download Android 4.1.2 UHMS8 for Galaxy S II: Download Android 4.1.2 UHMS8.

UPDATE! The full official firmware tutorial is now available and you can update Galaxy S2 I9100 to UHMS8 Android 4.1.2 Jelly Bean firmware with ODIN! Go here for the full tutorial!

ROOT TUTORIAL: For those who want to root Galaxy S2 I9100 after install this new Android 4.1.2 firmware, read this: How to Root UHMS8 Android 4.1.2 on Galaxy S2 I9100 Official Firmware.

Previous official Android 4.1.2 Jelly Bean firmware updates for Galaxy S2 I9100:

We will be posting more updates regarding this latest Jelly Bean software update for the Galaxy S2 I9100. Keep checking back!


  • shali

    can i install this to my s2 which has “I9100XWLSE” without corrupting my current app data? i’ve installed the current firmware manually as well.