how to fix vivo sound problem | speaker not working 

In this video I will show you how to solve the audio sound problem of Vivo phone. For this problem your speaker audio sound not working. If your problem is for the programming or others reason without hardware problem than my solution definitely work. Or if this is a hardware problem than you need to go repair shop to fix this problem.
#fix_vivo_audio_sound_problem
#vivo_audio_speaker_not_working
#no_audio_sound_vivo_phone
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