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my screen got cracked and i was still able to make calls even when it was damaged but since getting my screen replace by a licenced screen guy no one can hear me when i make calls and ant hear anything on voice recorder or videos

Hi @rayrayfitz91 , Take it back to the repairer and show the him problem. All reputable repairers give a guarantee on their workmanship. If it was working before the repair it should be working after the repair. Try using the earphones with the microphone attachment and see if you can be heard on calls etc. until you get it repaired