1) Remove Camera And Clean Socket And Plug Camera ..........
2) Format Handset..........
3) Change Camera .....
here is the solution of camera module not ready just in easy step.........
press * # # #
now u r on factory mode section
now click on "select type sensor"
choose gekewei and press ok.
now u r ready to use camera.
One other code is found
u can try to use it (Not tested by me)
*###5
ok 2 Ok
again OK
Try it & post ur result