YOU MUST BE ROOTED
1.Download and install Rom Manager.
2.Launch the ROM Manager and click Recovery Setup
under main menu.
3.Click on Flash ClockworkMod Recovery option. It’ll
also show you current and latest recovery.It’ll take few seconds to detect your android phone
model and other details. Different phone model requires different
version of CWM, So please select your model accordingly.
4.Once again select “Flash ClockworkMod Touch” option
and it will begin downloading CWM. You’ll see the downloading
process bar, wait until entire download process completes.
5.Now its time to verify the recently installed
ClockworkMod Recovery app on your phone, So first open ROM
Manager and click on Reboot into Recovery it will cause phone to
enter into ClockworkMod recovery.
If that don’t work for you then you should try to manually reboot
phone into CWM. For that first shut down your phone. Now at the
time of booting keep pressing Volume Down or Volume Up + Power
Key button to get into CWM mode.