How To Use Secret Codes On Samsung Galaxy A15 Jun 2026

Run *#2663# to check the touch firmware version. If it says "NEED UPDATE," you may have a hardware issue.

The Samsung Galaxy A15 is a powerhouse of features packed into a budget-friendly mid-ranger. While most users navigate their phone using the standard Settings app and touchscreen, there is a hidden layer of functionality lurking just beneath the surface: (often called "secret codes" or "engineering codes").

Tap the "Back" arrow or double-tap the "Home" button/gesture bar to return to the dialer. How to Use Secret Codes on SAMSUNG Galaxy A15

| Dangerous Code | Effect | | :--- | :--- | | *2767*3855# | – Wipes internal storage, including photos and accounts. No confirmation dialog. | | *#87976633# | Quick Reset – Resets all settings to default (keeps media, wipes Wi-Fi passwords). | | ##778## | EPST Reset (CDMA only) – Can corrupt SIM programming. | | *#*#7780#*#* | Factory data reset (Android standard). |

In this comprehensive guide, we will explore the most useful and functional secret codes specifically tested for the Samsung Galaxy A15. Run *#2663# to check the touch firmware version

: This is the most comprehensive diagnostic tool. It allows you to test the LCD display , touch sensitivity, vibration motor, speakers, and both front and back cameras.

These codes allow you to access internal menus, run hardware diagnostics, retrieve hidden information, and test components without installing a single third-party app. If you want to truly master your device, learning how to use these secret codes on the SAMSUNG Galaxy A15 is essential. While most users navigate their phone using the

If a code fails, try downloading from the Galaxy Store. It can launch hidden activities that the dialer cannot.