Update AT&T Galaxy S II I777 to UCLK3 Android 4.0.4 ICS Firmware

Update AT&T Galaxy S II I777 to UCLK3 Android 4.0.4 ICS Firmware - UCLK3 Android 4.0.4 ICS Firmware is now available for AT&T Galaxy S II I777. If you want to manually update your AT&T Galaxy S II I777 to UCLK3 Android 4.0.4 ICS firmware, then follow this guide.

Before we proceed, make sure:
  1. You have installed your AT&T Galaxy S II I777 USB drivers on your PC.
  2. You need to enable USB debugging mode which is deactivated by default.
  3. You smartphone should have 70-80% charge remaining.
  4. Backup your important data like Call logs, SMS and other data in stored in phone memory so in case if anything goes wrong, your data is not hurt.
  5. The update is only meant for AT&T Galaxy S II I777, so don’t other to try it on other variants.
Update AT&T Galaxy S II I777 to UCLK3 Android 4.0.4 ICS Firmware

Step 1) Download UCLK3 Android 4.0.4 official firmware for AT&T Galaxy S II I777.


Step 3) Turn OFF your mobile and go to Download Mode by pressing and holding the Volume Down + Home + Power Buttons until you see Android logo with triangle on screen.

Step 4) Now open ODIN on your PC and connect your AT&T Galaxy S II I777 to your computer.

Step 5) Once your phone is successfully connected to your PC, the ID:COM box on ODIN will turn yellow and will show the COM port number.

Step 6) Select the downloaded file to install by following below steps:
  • Click on PDA and select file with HOME or CODE in its name.
  • Now click on Phone and select file with MODEM in its name. Ignore if there is no such file.
  • Next click on CSC and select file with CSC in its name. Ignore if there is no such file.
  • At last click on PIT and select file with .pit. Ignore if there is no such file.
Step 7) Again to to ODIN window and check Auto Reboot and F. Reset Time options.

Step 8) Click on Start button in ODIN window to start the installation process. The process will take few minutes to complete.

Step 9) When the installation is completed, your phone will restart.

That’s it.


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Judul: Update AT&T Galaxy S II I777 to UCLK3 Android 4.0.4 ICS Firmware
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Ditulis Oleh Eriyadi Kusuma

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