N70,N72 NO OPERATOR FOUND SOLUTION REPAIRING STEP BY STEP

1)PUT SIM THEN GO MENU+TOOL+SETTING+NETWORKSETTINGS
CHANGE THIS MODE GSM
THEN CHECK PHONE NETWORK STATUS SAME NET WORK PROBLEM???
2)(A)GO MENU+TOOL+SETTING+NETWORKSETTINGS
CHANGE OPERATOR SELECTION
AUTOMATIC TO MANUUL MODE
THIS TIME PHONE GOING TO SHOT SEARCH?THEN SHOW NO OPERATOR FOUND MESSAGE?
CHECK ANTEENA PAD OR ANTEENA PAD INTERFACE
40%ANTEENA SWITCH PROBLEM CHNAGE (ANTEENA SWITCH)




2)(B)MANNUL SEARCHING TIME PHONE GOING TO LONG SEARCH?
FIRST CHANGE, C7524 OR C7573 CAPACITOR


AFTER CHANGE THIS CAPACITOR SAME CONDITION UR PHONE?
SECOND CHECK OR CHNAGE G7500 VCO OR SECOND LOCAL CRYSTAL(38.4Mhz)


NOT SOLVED UR PROBLEM?
REBALL OR CHANGE VINKU