POCO M8 Pro 5G: Fix Proximity Sensor & Black Screen on Calls

Testing the Proximity Sensor

• 💡 Open Settings on your POCO M8 Pro 5G and navigate to About phone.
• 🎯 Tap the Kernel Version multiple times to access the CIT menu.
• 🔍 Within the CIT menu, locate position #22, the proximity sensor, to check its value.
• ✅ A value of 5.0 indicates the sensor is working correctly, while 0.0 suggests an issue.

Troubleshooting Sensor Blockages

• ⚠️ Remove any protective case or screen protector that might be obstructing the sensor.
• 🧼 Gently clean the earpiece area with a soft brush to remove any debris that could be blocking the sensor.
• 📱 Re-enter the CIT menu after these adjustments to re-test the sensor value.

Software-Based Fixes

• ⚙️ Go to Settings > Apps and find the Phone app.
• 🧹 Select Clear data and then Clear all data for the Phone app.
• 🔄 Repeat the data clearing process for Phone Services.
• 🔁 Restart or reboot your phone to apply the changes.

Further Testing and Support

• 📞 After rebooting, try making a call to see if the proximity sensor issue is resolved.
• 💬 Test with alternative calling apps like WhatsApp or Messenger to determine if the problem is app-specific.
• 🆘 If the issue persists across all apps, it's recommended to contact Xiaomi customer support for further assistance.