Use APKPure App
Get Advanced Settings(most devices old version APK for Android
Advanced Settings allow you to run Advanced Setup from Engineering Mode.
This Application allow you to run Advanced Setup from Engineering Mode Menu of MTK phones, also called SERVICE MODE, and others .
let you calibrate all sensors (G-sensor, light sensors, ...) and values .
very easy to understand.
this is working for most of devices .
Use the secret menu carefully.
can use with MTK or none MTK devices .