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Poor sound quality while making a call

Star I
Please tell us some basic information before asking for help:
Model Name: Zenfone 9 16GB 256GB
Firmware Version: 32.2050.2050.34
Rooted or not: No
Frequency of Occurrence: All the time
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
Most of people are complaining on how they hear me when making a call. I hear them fine but they hear me very poorly and interrupting. What is interesting - using a bluetooth headset fixes the problem. So it cannot be network related issue. I have tried updating, downloading a different Phone app - none of this work. I will try removing a case because in is covering antenna bands on the side but since there are no problems when using a bluetooth headset - I do not think it will fix anything.


Hey @cyraxaz,

I had forwarded the issue to R&D, and the team requires the following information from your end-

1. Which network operator do you use?
2. When did you first notice this issue? (EX: After some FOTA update )
3. Does the issue occur during the start of the call, or in the middle of a conversation
4. Does this happen while calling through third-party apps too? (EX: Line, Whatsapp)?

Aside from the above queries, can you please share a log file, as it'll help determine what triggers the issue?


Hi All,

i have the same mic issues as desribed above. And it seems that I am not alone.... see the link below:

I could hear people just fine, but the other complained that they heard me occasionally with crackling noises & in a low quality. When I use bloototh ear buds  the issue disappears. I tested my mic by recording my voice and here the mic is working correctly. The issue appears only during a call. The issue exists since I bought the phone and any of the updates did not resolve it yet. I did not try Whats up or third-party apps.

I use Android 13 with the system update 33.0804.2060.88.