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📱 GENERAL ANDROID SECRET CODES
popular Android secret codes (USSD / dialer codes).

⚠️ Some may not work on all phones or Android versions. Use carefully.

Dial these in the Phone app:
Code
Function
*#06#
Show IMEI number
*#*#4636#*#*
Phone info, battery, usage stats
*#*#7780#*#*
Factory data reset (⚠️ wipes data)
*#*#34971539#*#*
Camera info
*#*#232338#*#*
Wi-Fi MAC address
*#*#2664#*#*
Touch screen test
*#*#0842#*#*
Vibration & backlight test
*#*#197328640#*#*
Service mode (Samsung mostly)

🔋 BATTERY & HARDWARE TEST
Code
Function
*#*#4636#*#*
Battery health & status
*#*#0283#*#*
Audio loopback test
*#*#0*#*#*
Hardware test menu (Samsung)

🌐 NETWORK & CONNECTIVITY
Code
Function
*#*#4636#*#*...