to go into recovery mode....
switch off the phone
start it again by pressing Power switch and Volume up key
now u will enter the recovery mode
There u can manouver, by pressing the volume up/down keys for up/down....and power butten as "enter/accept button"
to go back to the previous menu....u can either press the back key directly....or goto the "move back" key by manouvering and pushing the power switch.
Hope that helped