BB 9700 if put on sim show white display solution required

[Rana Kamran]

BB 9700 when the sim put in the cell the cell goes on white display what's reason.solution required

[sdtelecom]

BB 9700 when the sim put in the cell the cell goes on white display what's reason.solution required

Clean this area & rehot this filter (if some time white) other wise change this filter....