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Post originale di: jayeff ,



Try using a set of earphones with the microphone attachment to check if you can be heard when making or receiving a call.

Alternatively try using the phone in loudspeaker mode (hands free mode) to check if you can be heard when on a call.

If you can this proves that the voice transmission circuitry in the phone is OK and that there is a problem with the phone’s internal microphone or perhaps the voice inlet hole located on the bottom edge of the phone may be blocked either by a phone case (if the phone is in a case) or with lint etc.

If the phone is not in a case (if it is take it out and try it) use a strong light and a magnifying glass to visually inspect the voice inlet hole.

If it appears to be blocked or even if you can’t tell, DO NOT use a pin or probe to try and clear it. Use a vacuum cleaner instead to try and suck out any obstruction.

If it still doesn’t work OK, try starting the phone in [|safe mode] and check if it works.

''If it works OK in safe mode'' then a ''downloaded app'' is the cause of the problem. The trick is to find out which one. You will have to uninstall each ''downloaded'' app, one by one and test the phone in normal mode between each uninstall until it works OK. When it does, the last ''downloaded'' app that was uninstalled was the culprit.

''If it still doesn’t work OK when in safe mode'' try a factory restore (also known as a [|hard reset]) of the phone.

''Be aware that a factory restore will erase all your data and downloaded apps. It will restore the phone to its’ factory default condition or last system updated condition. That is why it is '''important''' to '''back up the phone''' to the cloud or a computer '''first''' using the phone’s backup feature.''

Once you have backed up the phone, use the phone’s factory restore feature to reset the phone.

Once the phone has been reset back to default, check if it works OK.

''If it still doesn’t work OK'' you have a hardware problem.

Here’s a link to the ifixit  [[Topic:Moto E5 Plus]]  guide which will help you to open the phone to gain access to the microphone so that it can be inspected and replaced if necessary.

''If it works OK,'' restore the phone with the backup made earlier using the phone’s restore feature.

Once it has been restored to what it was, test if it still works OK.

If it does then the reset has resolved the problem