These codes interact directly with the phone鈥檚 firmware. While most are safe for viewing, some (like factory reset or EFS clear) can erase your data or damage your IMEI. Proceed with caution. Always back up your data before experimenting.
| Code | Function | |------|-----------| | *#0228# | Battery status (voltage, temperature, level). Does reset fuel gauge on M31 like older Samsungs; just displays info. | How to Use Secret Codes on SAMSUNG Galaxy M31
*#0588#
Unless you are a developer or using Odin (Samsung's flashing tool), leave this on . These codes interact directly with the phone鈥檚 firmware
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