How+to+use+secret+codes+on+samsung+galaxy+a7+2+work May 2026
Unlocking Hidden Features: How to Use Secret Codes on Samsung Galaxy A7 (2nd Gen) That Actually Work
If you own a Samsung Galaxy A7 (2nd generation)—often referred to as the Samsung Galaxy A7 (2018) or the SM-A750F/DS—you are holding a device packed with hidden potential. Beneath the sleek One UI interface lies a powerful diagnostic toolset accessible only through "secret codes."
Commonly Working Codes for Samsung Galaxy A7
| Code | Function |
|------|-----------|
| *#0*# | Hardware test menu (LCD, touch, sensors, camera, etc.) |
| *#0011# | Service mode (signal strength, network info) |
| *#0228# | Battery status (voltage, temperature) |
| *#0808# | USB settings (MTP, ADB, etc.) |
| *#1234# | Show firmware version (AP, CP, CSC) |
| *#12580*369# | Software/hardware info |
| *#2663# | Touchscreen firmware version |
| *#34971539# | Camera firmware details |
| *#7353# | Quick test menu (speaker, mic, vibration) |
| *#9900# | System dump & log menu (advanced) |
How to Use Secret Codes on Samsung Galaxy A7 how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
These codes are generally compatible with the Galaxy A series, including the A7.
Factory Soft Reset (*#*#7780#*#*): Restores settings without deleting internal data; use with caution. Important Troubleshooting Tips How To Unlock Samsung Galaxy A72 by Unlock Code Generator Unlocking Hidden Features: How to Use Secret Codes
5. Network and SIM Information
These codes help you identify if your phone is carrier-locked or check network strength.
Safety Warnings: Don’t Break Your Galaxy A7
Secret codes are powerful because they bypass safety checks. Follow these rules: Important Troubleshooting Tips How To Unlock Samsung Galaxy
Here are the most useful codes verified to work on Samsung devices running the Android versions typically associated with the Galaxy A7 series.
To use them, you simply need to open your Phone Dialer (the app you use to make calls) and type the code exactly as shown. Most codes begin and end with an asterisk (*) or a hash/pound sign (#). Once the final character is entered, the phone should automatically recognize the sequence and jump to the corresponding menu. If it does not trigger automatically, you may need to press the "Call" button.