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If the screen flashes and nothing appears, the code is either blocked or unsupported on your specific firmware version.
*#06#
, or a similar A-series device, these codes can help you test hardware, check software versions, or configure hidden network settings. ⚠️ Important Warning Before You Begin
| Code | What It Does | Category | | :--- | :--- | :--- | | *#06# | Shows your IMEI number (unique phone ID) and Serial Number | 📱 Device Info | | *#1234# | Displays the current software and firmware versions (PDA, CSC, Modem) | ⚙️ Software Info | | *#12580*369# | Shows a full breakdown of software & hardware info, plus manufacturing date | 🧠 System Info | | *#2222# | Reveals the hardware revision number of your device | 🔩 Hardware Info | | *#34971539# | Opens the camera firmware update menu and detailed module info | 📸 Camera | | *#0228# | Shows battery health stats: voltage, temperature, and capacity | 🔋 Battery | | *#0011# | The main , revealing real-time network, signal strength, cell tower info, and Wi-Fi details | 📶 Network | | *#0808# | Changes how your PC recognizes the phone via USB (MTP, ADB, Mass Storage) | 🔌 USB Config | | *#2663# | Displays and allows updating of your touchscreen (TSP) firmware version | 🖱️ Touchscreen | | *#9900# | System dump mode. Useful for clearing system logs to free up storage or for advanced debugging | 🛠️ System Dump | | *#7353# | An alternative test menu with quick audio tests, vibration, and camera checks | 🎛️ Quick Test |
Tap the numeric keypad tab to display the dialer screen. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
Secret codes on Samsung Galaxy A7 provide a quick and easy way to access various features and settings on your device. By following the steps outlined in this article, you can unlock hidden features and advanced settings on your Samsung Galaxy A7. However, be careful when using secret codes, and make sure to backup your important data before making any changes to your phone's settings. With these tips and precautions in mind, you can explore the full potential of your Samsung Galaxy A7 and take your smartphone experience to the next level.
These codes manage specific cellular features rather than device hardware. Function #31# (followed by the phone number) Check Call Waiting *#43# Check Call Forwarding *#67# Important Warnings How to reset your Samsung Galaxy with 5 different methods
: Emits a high-pitched tone to test the earpiece speaker.
While Samsung’s settings menu shows battery usage, this code provides a deeper technical log. If the screen flashes and nothing appears, the
Secret codes can give you quick access to hidden menus, testing features, and device info. Here's how to use them:
How to Use Secret Codes on Samsung Galaxy A7 Go to product viewer dialog for this item. (2018/2017) to Work Smarter
The following universal codes work across almost all versions of the Samsung Galaxy A7 . Use them to query essential device parameters. 1. General Hardware Test Menu: *#0*#
Advanced Workaround: You can attempt to force launch these hidden menus using an activity launcher application from the Google Play Store (such as "Activity Launcher" or "Alliance Shield"). Search inside the app for "HiddenMenu" or "Diagnostic" system activities to trigger the screens manually without using the dialer. ⚠️ Crucial Safety Warning Useful for clearing system logs to free up
Many US cellular network providers (such as Verizon, AT&T, and T-Mobile) intentionally block access to specific hidden menus (like the Service Mode network band locking menu) to prevent users from altering network configurations that could degrade performance. 2. Android Security and Software Updates
Shows real-time raw data from the accelerometer, proximity sensor, barometer, lights, and gyroscope.
| Code to Dial | What It Does | | :--- | :--- | | *#*#232339#*#* or *#*#526#*#* | Launches the WLAN (Wi-Fi) test mode to check network functionality. | | *#*#232331#*#* | Performs a Bluetooth test mode to check its operation. | | *#*#1472365#*#* | Used for a quick GPS (Global Positioning System) test to check satellite lock and positioning. | | *#*#1575#*#* | Runs a different, more advanced GPS test. |
Secret codes are specifically designed to work only with the default Samsung Phone app . If you use Google Phone or a third-party dialer, the codes will fail.
