Nokia 6630 offline mode problem, no calling no signal problem.
This problem is create due to two reasons first in mobile settings and second sim ic or jacket damage. First check mobile settings power off offline mode or restore mobile to factory settings.If problem not solved then disassemble mobile and change or rehot sim ic.If ic is damage and not works then remove sim ic and apply jumpers like diagram below.

Nokia 6630 ofline mode solution.

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