1. First install the ROM Manager app on your Android phone.
2. After installing, launch the app, tap on ‘Flash ClockworkMod Recovery’.
3. Then confirm your phone’s model. Select your phone’s model and your phone will reboot and flashing CWM.
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4. Now, before you go installing any custom
ROMs, Backup your current ROM. To do that, tap on the ‘Backup Current ROM’.
5. Give the backup a name and then click OK.
6. Allow ROM Manager Super access, tap on ‘Allow’ to grant this. The backup process can take a little while, so make sure you aren’t expecting any important calls.
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7. Reopen ROM Manager and tap on ‘Install ROM from SD card’
8. Find the .zip file in. A box should pop up with three options
9. Now Tick the ‘Wipe Data and Cache’ and ‘Wipe Dalvik’ boxes, and then click OK. The phone will now reboot and start installing your custom ROM. This might take a little while, sometimes up to 15 minutes, so be patient and don’t panic if the device appears to have frozen.
That's it Now Enjoy This Trick Without PC
