If you are not sure about the sensor, speaker, touch, color and other function in your new phone or used phone. You can test it through this code *#0*#
Press your phone icon like you are about to make a call and dial above code. You can test lot of sensors and functions through this code including
1. Colors
2. Sensor
3. Receiver
4. Vibration
5. Dimming
6. Camera
7. Touch
8. LED
9. Speaker
10. HALL IC
How to check samsung IMEI
If you want to check your samsung phone IMEI, Just enter *#06# in you phone pad and you will get your samsung phone IMEI code.
