![]() Turn off the Galaxy J7, remove the SIM card and then reinsert the SIM card on turn on the smartphone.If the audio problems still are happening after the suggestions, then it’s recommended to contact your retailer to get the Galaxy J7 replaced. The following is a guide on how to fix the Galaxy J7 when the volume is not working. The sound and audio problem on the Galaxy J7 is noticed when making calls or receiving calls, which makes it can’t hear the caller or the caller cannot hear them properly.īelow we’ll suggest some possible solutions to fix the volume not working on the Galaxy J7. It has been reported by some that Samsung Galaxy J7 sound not working correctly including volume. How To Fix Samsung Galaxy J7 Volume Not Working, Sound And Audio Problems
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