Samsung has released a brand new stock firmware for their now legendary Galaxy S II smartphone codenamed XWLST running Android 4.1.2 bringing a ton of features along with it. The Galaxy S2 is great smartphone still relevant today two years after it’s release in 2011. Although I currently use a Nexus 4 I still have my old Galaxy S II with me just to tinker around with it and install new ROMs and apps.
Follow the guide below to install the XWLST firmware on your Galaxy S II.
Step 1. Download the XWLST 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 XWLST 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 XWLST Android 4.1.2 Jelly Bean firmware.