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Displays Network Lock Status .

If you need to know technical details about your specific unit without digging through settings menus. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work

(including 2016, 2017, or 2018 models), open the app and enter the code directly into the dialer keypad . Most codes will execute automatically as soon as the last character is typed, while some may require you to press the Call button. Essential Samsung Galaxy A7 Secret Codes Displays Network Lock Status

This guide outlines how to use secret diagnostic and informational codes on your Samsung Galaxy A7 (2016, 2017, and 2018 versions) Most codes will execute automatically as soon as

These "secret codes"—technically known as USSD (Unstructured Supplementary Service Data) codes or MMI (Man-Machine Interface) codes—allow users to bypass standard menus to access diagnostic tools, testing menus, and advanced settings. Whether you are a technician or a curious user, learning how to use these codes can help you troubleshoot issues or verify hardware functionality.

Here are some tips and precautions to keep in mind when using secret codes on Samsung Galaxy A7:

Shows the current health and charge state.