Use APKPure App
Get Development Settings old version APK for Android
Quickly open the developer settings,engineer mode, add and manage secret code
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.
What's New in the Latest Version 1.7.1
Last updated on Mar 25, 2017
1.7.1 update
1: optimize the interface
2: automatic scanning system secret codes
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