Audio "Static" During Phone Calls
4.5
Music sounds fine, but when you are on a call, there is a loud static or buzzing noise.
Symptoms
- Static on calls
- Muffled voice
- Buzzing
Possible Causes
- Bluetooth "Hands-Free" profile low quality
- Interference
- Mic failure
Step-by-Step Fix
1
Move Away from WiFi Router
WiFi can interfere with the low-bandwidth Bluetooth call profile.
2
Disable "HD Voice" (if possible)
Sometimes the high-quality call codec causes issues on older headsets.
3
Test with Wired Headset
Rule out the phone's internal cellular radio causing the noise.
When to See a Technician
Bluetooth uses a different, lower-quality "profile" for calls than it does for music.
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