Samsung Galaxy S6 All Secret Codes

1. [*#0*#] For Hardware diagnostic tests
2. [*#0011#] For Service Mode (shows LTE band and more)
3. [*#06#] For IMEI
4. [*1234#] For Firmware Information
5. [*#7412365#] For Camera Firmware Standard Menu
6. [*#7353#] For Quick Test Menu
7. [*#12580*369#] For check software and hardware information
8. [*#0228#] For Battery Status
9. [*#32489#] , [*#0011#] For Service Mode
10. [*#7780#] For Factory Data Reset
11. [*2767*3855#] For Full Factory Reset (be careful because it will not ask for confirmation)