Blackberry 9300 mic not working solution by jumpering, Blackberry 9300 mic ways jumpers.
First try to change mic with new one.if problem not solved then try to trace missing mic points with
multi meter.The diagram below is solution for Blackberry 9300 mic problem.Check all points as shown
in diagram below and make jumpers like diagram.

Blackberry 9300 Mic Problem Solution
Blackberry Mic Jumper Trick Ways

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