How to run
Open dialer, type *#*#0289#*#*, calibration menu opens
Phone Diagnostic Codes
Android Audio Calibration
Calibrate audio settings
Details
Opens audio calibration menu for adjusting speaker and microphone levels. Advanced feature for fine-tuning audio performance.
Use caseAudio calibration and adjustment
Works onMost Android devices
CautionAdvanced settings; changes may affect audio
Utilities
Copy-paste helpers
Tip
Use carefully; incorrect settings may affect audio quality
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