How to Overclock Samsung Galaxy SII Upto 1.5GHz

Samsung Galaxy SII is one of most powerful devices in the android market with a CPU of 1.2GHz. Overclocking makes the CPU run faster than the device has originally set by factory settings. No need to mention further more, this makes your device smoother and faster.

Let’s Overclock Samsung Galaxy SII to 1.5GHz


1. Rooted Samsung Galaxy SII phone.

2. ODIN downloader
3. Download Overclocked kernel here

4. SetCPU for Root Users application

Do this at your own risk. The author holds no responsibility if your device got bricked or damaged during the process. Make sure you have installed Galaxy SII drivers on your PC. Exit from Kies before trying this. And your Galaxy SII phone must be an already rooted one to try this out.

  • Boot the device into ‘Download’ mode by pressing Volume down, Power and Home buttons at the same time.
  • Connect the phone to PC via USB cable
  • Open ODIN and find the first box highlighted in yellow colour.
  • Click ‘PDA’ button and select the ‘galaxysii_oc_v1.tar’ file
  • Make sure only ‘Auto Reboot’ and ‘F.Reset Time’ option in ODIN are checked and ‘Repartition’ should not be checked.
  • Click ‘Start’ and wait for the process to complete and Galaxy SII will reboot in a while.
  • Run SetCPU application on your mobile
  • After installation, launch it and set the desired CPU frequency.

Now you have successfully Overclocked your Galaxy SII to 1.5GHz.

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