Problem:- Nokia Asha 303 mic problem, Mic point damage, Other person cant hear the voice.
Solution:- During call other person can't hear problem creates due to mic damage.To solve this problem disassemble the mobile nokia asha 303 and clean the components near mic with electronics cleaner and apply normal heat.If problem not solved then check each point with multimeter as shown in diagram below and do jumpers like diagram.
Diagram source U2Ugsm.com
Nokia Asha 303 Mic Not Working

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