These codes helps you in the testing of your mobile’s touchscreen, sound quality, camera, keypad, sensor etc. Just have a look on these codes –
dial the secret code *#0*# Now you get a screen with title LCD TEST as shown in image and below that you have lots of option to test various hardware parts of your phone such as speaker, sensor, lcd, etc
Some Other Useful Codes
- * #1234# to check software version of phone.
- *#12580*369# to check software and hardware information.
- *#0228# Battery status (ADC, RSSI reading)
- *#32489# Service mode
- *#7780# factory data reset galaxy y
- *2767*3855# Full factory reset (Don’t dial it does not ask you to confirm unless you have problem)
These codes will work on all the models of galaxy series.