How+to+use+secret+codes+on+samsung+galaxy+a7+2+work Upd (2026 Release)

These codes allow you to diagnose hardware, check device health, and view technical specifications.

These are the most commonly used, functional codes for diagnostic and information purposes.

While there are different versions of the A7, these codes are the most universal and should work on most variants, including the 2016, 2017 (A720F), 2018, and 2019 models. The table below organizes these codes by their function, so you can easily find what you're looking for. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work

Mobile carriers (e.g., Verizon, AT&T) can block certain codes on their network versions of the phone to prevent users from accessing specific menus. This is common on carrier-locked models.

: Forces the screen to display solid primary colors to check for dead pixels. These codes allow you to diagnose hardware, check

This guide covers all the essential hidden codes for the Samsung Galaxy A7, explaining exactly what each one does and how to use them safely, regardless of your specific model version.

The codes must be exact. A single wrong asterisk (*) or hash (#) will fail. For example, ensure *#0*# is not confused with *#0*#* . The table below organizes these codes by their

Secret codes, also known as USSD codes or dialer codes, are sequences of numbers and symbols (typically starting with * or # ) that, when typed into the phone's native dialer app, trigger specific, hidden functions. They are primarily designed for engineers, technicians, and service centers to perform diagnostics, check hardware functionality, and access system information not readily available through the standard user interface.

: Shows the current software version, model name, and AP/CP/CSC details. *#12580*369# (SW & HW Info)