| CODE | FUNCTION |
|---|---|
| *#07# | Regulatory labels |
| .12345+= (In calculator) | Open engineering mode |
| *#06# | Show phone's IMEI |
| *#*#225#*#* | Displays calendar storage info |
| *#*#426#*#* | Google Play Services info or Firebase Cloud Messaging diagnostics (Select devices only) |
| *#9900# | System dump mode |
| ##778 (+green/call button) | EPST menu |
| *#7465625# | Device lock status |
