This code opens the "BatteryStatus" menu. While your settings menu tells you the percentage, this code gives you technical data.
If a code fails on your 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.
Secret codes are strings of numbers and symbols (e.g., *#0*# or *#06# ) that you dial into your phone’s keypad—just like making a call. Instead of connecting a call, they trigger hidden activities within the phone’s firmware. Samsung has retained many of these codes across its devices, though some may vary depending on the chipset (MediaTek or Qualcomm) and carrier locking. How to Use Secret Codes on SAMSUNG Galaxy A05S
These codes are not for everyday use, but they can be invaluable for testing hardware, retrieving device information, running quick diagnostics, and even performing factory resets when the settings menu is inaccessible.
The process is identical to dialing a phone number:
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. This code opens the "BatteryStatus" menu
| Code | Function | |------|----------| | *#0011# | Service mode – Displays real-time signal strength, band (4G/LTE), and cell ID. | | *#*#4636#*#* → Phone info | Change preferred network type (e.g., force 4G only). | | *#2263# | (may require engineering build) – Allows selecting 4G bands. Use cautiously. | | *#197328640# | Service mode main menu (RIL, Debug, and Network control). |
If a code doesn't work, ensure that the Samsung Auto Blocker feature is temporarily disabled in your security settings, as it may prevent unauthorized commands. Essential Diagnostic and Hardware Codes
This is arguably the most important code for any Samsung user. Entering this code launches the "Samsung HwModuleTest" screen. It provides a grid of tiles, each designed to test a specific component of your Galaxy A05s. Use this knowledge wisely, and you’ll turn your
Here’s a clear, practical guide on how to use secret codes on the (running One UI Core / Android 13+). These codes (also known as USSD or MMI codes) can give you quick access to device info, tests, and hidden menus.
Samsung Secret Codes List (2026) – Test, Diagnostic & Hidden Codes