Please tell us some basic information before asking for help:
Model Name: ROG Phone 5
Firmware Version: WW_18.0840.2109.176
Rooted or not: No
Frequency of Occurrence: Every Time on a call
APP Name & APP Version (If your issue relates to the app): Calling 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.
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