: Shows technical network connection details and status. How the Codes Work
Samsung Galaxy devices utilize USSD/MMI secret codes, entered via the dialer app, to access diagnostic menus for testing hardware, checking battery health, or viewing firmware details. Key, generally applicable codes include *#0*# for hardware tests, *#06# for IMEI, and *#0228# for battery diagnostics. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
Here is a list of the most functional and useful codes for the Galaxy A7. : Shows technical network connection details and status
and type the code into the dial pad as if you were making a call. Most codes will execute automatically as soon as the last character (usually entered via the dialer app
: Provides real-time data on battery voltage, level, and health.