Secret Android Codes You Should Know (2025 Updated Guide)

Secret Android Codes You Should Know (2025 Updated)

Did you know that your Android phone has hidden dial codes that unlock powerful menus, test hardware, reveal system information, and even fix common issues?

These secret Android codes work directly from the phone dialer and are used by technicians, developers, and advanced users. Most Android users never discover them, yet they can help you diagnose problems, check phone authenticity, improve performance, and understand your device deeply.

Important: Not all codes work on every phone. Availability depends on brand, Android version, and carrier.

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What Are Secret Android Codes?

Secret Android codes (also called USSD codes or dialer codes) are special combinations of numbers and symbols entered using the phone dialer.

Unlike normal phone numbers, these codes instantly trigger hidden system actions without making a call. Manufacturers use them for testing, troubleshooting, and quality control.

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How to Use Android Secret Codes

Open your phone’s Dialer
Enter the code exactly as shown
No need to press call – it executes automatically

Warning: Do NOT use reset or erase codes unless you understand them fully.

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Most Popular Android Secret Codes

Code	Function
*#06#	Check IMEI number
##4636##	Phone information & usage stats
##7780##	Factory data reset (soft)
##34971539##	Camera information
##2664##	Touch screen test

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Android Hardware Testing Codes

Touch Screen Test

Code: *#*#2664#*#*

Test your touchscreen accuracy and responsiveness.

Display Test

Code: *#*#0*#*#*

Checks screen colors, brightness, dead pixels, and display issues.

Vibration & Sensor Test

Code: *#*#0842#*#*

Tests vibration motor and sensor response.

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Battery & Performance Codes

Battery Status

Code: *#*#4636#*#*

Shows battery health, charging status, voltage, temperature, and usage statistics.

Usage Statistics

This hidden menu also reveals how long apps have been running, helping you identify battery drainers.

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Network & Connectivity Codes

Network Information

Code: *#*#4636#*#*

View signal strength, network type (LTE, 5G), and connection details.

Wi-Fi MAC Address

Code: *#*#232338#*#*

Displays your device’s Wi-Fi MAC address.

Bluetooth Address

Code: *#*#232337#*#*

Check Bluetooth hardware address.

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Camera Secret Codes

Camera Firmware Info

Code: *#*#34971539#*#*

Displays camera firmware version, update count, and technical details.

Advanced Camera Testing

Useful when diagnosing camera crashes, focus problems, or blurry images.

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System & Software Information Codes

Software Version

Code: *#*#1234#*#*

Displays firmware version details.

Build & PDA Information

Code: *#*#1111#*#*

Shows system build data.

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Android Reset & Recovery Codes (Use Carefully)

These codes can erase data. Use only if necessary.

Soft Reset

Code: *#*#7780#*#*

Resets system settings without deleting files.

Hard Factory Reset

Code: *2767*3855#

Completely wipes device and reinstalls firmware.

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Brand-Specific Android Codes

Samsung Secret Codes

*#0*# – Full hardware test menu
*#0228# – Battery status
*#0808# – USB configuration

Xiaomi (MIUI) Codes

*#*#6484#*#* – Hardware test menu
*#*#4636#*#* – Phone info

Huawei Codes

*#*#2846579#*#* – Project menu

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Why Secret Android Codes Are Useful

Diagnose hardware problems
Check phone authenticity
Fix network and battery issues
Improve device performance
Learn advanced Android features

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Safety Tips When Using Android Codes

Never experiment with unknown reset codes
Avoid firmware update menus unless instructed
Backup data before advanced actions
Codes may not work on all devices

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Final Thoughts

Secret Android codes are powerful tools hidden inside your phone. When used correctly, they can help you troubleshoot issues, test hardware, and understand your device like a pro.

Bookmark this guide and share it with other Android users who want to unlock their phone’s true potential.

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