Instaal clockworkmod recovery on galaxy S2

You must have USB drivers for your Phone installed on your PC before proceeding, You can find them on Samsung website, or by searching online.
* You must enable USB Debugging mode from the Developments option in your Phone Setting. i.e. Phone Settings>>Development options>>USB debugging (Tick this)

1. Download the Clock Mod Recovery Package for your Samsung Galaxy S2 from the link given below
   • Download Normal Clock Mod Recovery
   • Download Touch version of Clock Mod Recovery
2. Enter Download mode on your Phone. To enter download mode on your Phone, You must switch off your Phone and then turn it on by pressing Volume down+Home+Power button all together until you see some logo on Phone screen.
3. Now connect your Phone to PC using USB cable and Open Odin software which you downloaded before.
4. You must see Yellow mark on the ID : COM section inside the Odin window. It indicates that the Galaxy S2 is successfully connected to PC .
5. Now click on PDA on your Odin, browse the extracted .tar or .tar.md5 file and select the downloaded Clock Mod Recovery file.
6. Click Start and wait till Pass! text appears inside the ID : COM section and it also turns green. ( 3-8 Minutes).
7. You will see “Removed” on the activity log section of Odin. Now remove the USB.