I have been using Whatsapp for a month now which was installed on my device Infinix Smart 8. The problem I encountered is my voice volume is sometimes low which cause the opposite whom I talked to has problem to hear while I can hear him/her clearly. I also tested to call my other device (I have 2 phones). Could you please fix this problem for me? In case it is caused by brand name which bring their own hardware and software, the other device I have is Oppo F1S for more info. Thank you.
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