How To Use Secret Codes On Samsung Galaxy A05s ^new^ -

Think of them as "backstage passes" to your phone's software. While the standard settings menu is designed to be user-friendly and safe, the menus accessed via secret codes are often designed for developers, quality assurance testers, and service center engineers. They provide raw data and immediate feedback on hardware components.

While simple, this is a universal code. It instantly displays the numbers for both SIM slots on your Galaxy A05s. How to Use Secret Codes on SAMSUNG Galaxy A05S

Now you know exactly – from harmless IMEI checks to powerful engineering menus. Use this knowledge wisely, and you’ll turn your budget Samsung into a phone you truly understand. Think of them as "backstage passes" to your phone's software

These codes are short strings of characters that, when typed into the phone’s dialer, unlock hidden menus, diagnostic tools, and testing interfaces. Whether you are a tech enthusiast, a repair technician, or simply a user wanting to verify your device’s health, knowing these codes can be incredibly useful. While simple, this is a universal code

Dial *#0228# → Note voltage (should be >3.7V when charged). If calibration fails, fully charge, then dial *#0228# and tap “Quick Start” only once – this resets fuel gauge. Do not repeat often.

Changes how the phone connects to a PC (e.g., MTP, ADB, or Mass Storage). System and Software Information Codes