The I9100UHMS8 or simply UHMS8 for the Samsung Galaxy S II I9100 has been released and bring along latest goodies that Android 4.2 Jelly Bean has to offer. The latest release only include some big fixes so no, you won’t find many new features, but it’s still recommended to stay on the latest firmwares.
Some technical details of the UHMS8 firmware are below:
PDA: I9100UHMS8
CSC: I9100UUBMS5
Version: 4.1.2
The UHMS8 firmware is an unbranded firmware so you can install it any Galaxy S II I9100 smartphone except for those from China, Hong Kong and Taiwan as they have a few differences.
To install the UHMS8 firmware on the Samsung Galaxy S II I9100 we’ll be using Odin as it’s the easiest way to do so and very safe too as long as you take the necessary precautions. The UHMS8 is an official Samsung firmware, so after installing it you will lose your root access, but don’t fret, we’ll cover how to root your Galaxy S II I9100 again later in the article.
Before starting, make sure that:
- You have all your important data backed up.
- The battery is at least 50% charged.
Android 4.2 Jelly Bean on the Galaxy S II brings a lot of neat features like:
- Smooth navigation through the interface thanks to Project Butter.
- TouchWiz Nature UX like the Galaxy S II and Galaxy Note II
- Samsung’s S Cloud services
- Improved Camera features
- New Lockscreen With Many Customization Options
- New Features like Direct Call, Smart Stay and Pop-up Play
- New Widgets (From Galaxy S III)
- 2 Home screen modes
- New Notification bar With More Notification Toggles
- Google Now
The full tutorial to update your Galaxy S II to UHMS8 firmware is below:
Step 1. Download the UHMS8 firmware for Galaxy S II I9100.
Step 2. Download and install Odin on your PC.
Step 3. Turn off your phone and connect it to your PC in Download Mode. To access Download Mode turn on your Galaxy S II I9100 while holding the Volume Down and Home buttons.
Step 4. Make sure you have the required USB drivers installed for your Galaxy S II.
Step 5. Wait for Odin to recognize your device, if it does, one of the ID:COM boxes in Odin will turn yellow with your device’s number.
Step 6. Select the required files from the archive you download from the first step:
- Click the PDA button. Select the file which has CODE in its name
- Click the Phone button and select the file which has MODEM in its name
- Click on the CSC button and select the file which has CSC in its name
- Click the PIT button and select the .pit file. Some firmwares will have this, ignore if it doesn’t.
Step 7. In ODIN select Auto Reboot and F. Reset Time options. Select repartition only if your selected the PIT file
Step 8. Click the start button. Installation process will take a few minutes. After the reboot is complete, your Galaxy S II will boot into the UHMS8 Android 4.2 Jelly Bean firmware.
Now the tutorial to root your Galaxy S II running the newly installed UHMS8 firmware is below:
Step 1. Download Root Kernel I9100UHMS8 for your Galaxy S II I9100.
Step 2. Go into Download Mode again and start up Odin like we did above.
Step 3. After Odin recognizes your Galaxy S II I9100 click on PDA and select the Siyah-s2-v6.0b4.tar file we downloaded in the first step.
Step 4. Check the Auto Reboot and F. Reset Time options.
Step 5. Click on the Start button and let it do it’s thing. After the rooting is complete your phone will restart.
That’s it folks, your Galaxy S II will be running on a rooted version of UHMS8 Android 4.2 Jelly Bean firmware ready for use. If you have any questions please feel free to ask us in the comments below.
