Free Download Development Settings 1.7.1 APK Development Settings
-Name: Development Settings
-Requires: Android 4.0+
For Android users to quickly open the development of personnel options, engineering mode, battery power, background service management and other functions;and this is a secret code management tools, such as Android phone secret code *#*#4636#*#* to open mode of engineering, as well as some MTK Enginerr mode *#*#3646633#*#* code.
You can also from forums or other place to search for your phone special secret code,then used this tool to add and manage.
1: optimize the interface
2: automatic scanning system secret codes