To access these, you usually type a code into the stock Phone app dialer:
Checking pixels, vibration, sensors, and speakers. To access these, you usually type a code
: The General Test Mode (Standard for most Galaxy phones). *#0011# : Service Mode for network and Wi-Fi status. *#1234# : Displays current software and PDA versions. *#2222# : Shows hardware version. The Risks of "Secret" Menus *#1234# : Displays current software and PDA versions
⚠️ Never change a setting unless you have documented the original value. Most service menu changes take effect immediately without a "Save" button. To help you find the right tools, let me know: Your specific device model (e.g., S24, A54). What problem you are trying to solve. Most service menu changes take effect immediately without
Changing the wrong boot setting can prevent the phone from starting.
Detailed signal strength and frequency band info. Version Info: Exact firmware and hardware revisions. Advanced Tweaks: Audio gain levels or USB settings. Common Codes for Smartphones
While entering the menu is usually fine, changing factory calibrations might void your warranty. Practical Use Cases For a regular user, these menus are most helpful when: