When the proximity sensor on the vivo X300 Pro stops working during calls, the screen may stay on even when you place the phone against your ear. This can cause accidental taps, mute your microphone, or even end the call unexpectedly. The problem usually comes from blocked sensors, incorrect settings, or temporary software glitches, and most of the time it can be fixed in just a few minutes.
Why the vivo X300 Pro Proximity Sensor Stops Working
- Dirt, dust, or a thick screen protector covering the sensor area.
- A phone case that partially blocks the sensor near the top of the display.
- Software glitches that prevent the sensor from activating during calls.
- Accessibility features that interfere with screen behavior.
- System bugs after a recent software update.
Clean the Sensor Area
The proximity sensor sits near the top edge of the display, usually close to the front camera. If dust or oil builds up in this area, the sensor may fail to detect when the phone is near your face.
Use a clean microfiber cloth, and gently wipe the top part of the screen.
Check the front camera area, and remove any dirt or fingerprints that might be blocking the sensor.
Remove the Screen Protector or Case
Some screen protectors are not designed precisely for the sensor layout of newer phones. If the protector covers the sensor area, the phone may not detect proximity during calls.
Remove the screen protector, and check if it overlaps the sensor area.
Remove the phone case as well, and test if the screen turns off during a call.
Restart the Phone
A temporary software glitch can prevent the proximity sensor from activating. Restarting the device refreshes system processes and often restores normal sensor behavior.
Press and hold the Power button, and then tap Restart.
Wait for the phone to reboot, and test the sensor during a phone call.
Check Accessibility Settings
Certain accessibility features can override how the screen behaves during calls. If these options are enabled, the screen may stay active even when the sensor detects your face.
Open Settings, and then tap Accessibility.
Scroll through the options, and disable any feature that affects screen interaction during calls.
Update the System Software
System updates often include bug fixes related to sensors and hardware behavior. If the proximity sensor stopped working after a recent update, installing the latest version may resolve the issue.
Open Settings, and then tap System update.
Tap Check for updates, and install any available update.
Reset App Preferences
If the problem started after installing a new calling or communication app, resetting app preferences may help restore the sensor’s normal behavior.
Open Settings, and then tap Apps.
Tap Reset app preferences, and confirm the reset.
Proximity sensor issues on the vivo X300 Pro are usually easy to fix once you identify the cause. Cleaning the sensor area, removing accessories, or refreshing the system often restores normal behavior so the screen turns off automatically during calls.
FAQs
Where is the proximity sensor located on the vivo X300 Pro?
The proximity sensor is usually located near the front camera at the top edge of the display. It detects when the phone is close to your face during calls.
Why does my screen stay on when I am on a call?
This often happens when the proximity sensor is blocked by dirt, a case, or a screen protector. Cleaning the area or removing accessories usually fixes the problem.
Can a software update fix proximity sensor problems?
Yes. Manufacturers frequently release updates that improve sensor calibration and fix bugs affecting hardware functions. Installing the latest update can resolve the issue.
