Issue Description
Screen becomes unresponsive while on a call.
Common Causes
- Proximity sensor malfunction
- System UI glitch
- Overheating
Step-by-Step Solution
Step 1: Clean Proximity Sensor
- Clean area near front camera
Step 2: Restart Phone
- Clears UI glitches
Step 3: Disable Third-Party Dialer Apps
- Use default phone app
Step 4: Update System Software
- Fixes call UI issues
Explore Further
- Sensor diagnostics
Prevention & Best Practices
Avoid covering sensor area.