Remember that this app requires root access and it may not work in all devices.
This app will solve all software issues of the proximity sensor (obviously not hardware ones).
Check the source code at https://github.com/GrenderG/ProximitySensorFixer
As the app says, this fix is NOT compatible with ALL devices. Please be kind and don't downvote me if your device is not compatible with this solution.
9Apps 4.9
