Android codes are the numeric/symbolic sequences which allow you to access system settings for several uses. Here are some hidden android secret codes that will enable factory-reset your device, find out its hidden camera information, instantly back up your precious data, and a lot more.

 *#06# Check IMEI of your device, enter this code
 *#0*# Enter service menu on the very new Android phones
 *#0228# Battery status
 *#9090# / *#1111# Turns device into Service mode
 *#*#4636#*#* Information about battery, usage statistics and device
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