sprint l900 no gignal after change some valu in service mode
 

hi every one i have a sprint l900 note 2 and yesterday i try to use the unlock sim method from the sprint l720 s4 incluide modifies some thing in service mode and when restar the phone no signal at all, i try ##72786# and ##786# reset and try to put all thigh back to stock but nothig work all help is welcome thanks