Samsung Galaxy A9 Pro 2016 Dual SIM error in all Android apps

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Samsung Galaxy A9 Pro 2016 Dual SIM error in all Android apps

As a result of operation of the Android operating system are installed and removed various application files after each stay, all this eventually zamusorivaet system and it starts to slow down, fail and generate errors. We will tell you what to do if Samsung Galaxy A9 Pro 2016 Dual SIM error in all Android apps.

Samsung Galaxy A9 Pro 2016 Dual SIM error in all Android apps. Recommendation.

Samsung Galaxy A9 Pro 2016 Dual SIM error in all Android apps

The main reason – "garbage" at operating system. A pile of installed applications, unnecessary processes and services can create conflicts. 
Make a complete factory reset

How to reset to factory settings (Hard reset, Factory reset) on Android

Factory data reset  — return the device to factory default settings, erasing all data, settings, applications, and so on.

Reset via settings

  • Go to Menu -gt; -gt settings; Backup & reset. 
  • All you restore to factory settings

Reset via Recovery Menu

  • Switch off the Samsung Galaxy A9 Pro 2016 Dual SIM
  • To go into Recovery mode – hold the Volume Down button and the power button on the device. (This method is suitable for any Android smartphone or tablet)
  • Select wipe data / factory reset
  • click yes
  • After the process is complete, select Reboot System Now
  • All you restore to factory settings

Resetting via engineering codes

The quickest way, it is necessary to enter one of the codes of engineering:

    * 2767 * 3855 #
    * # * # 7780 # * # * 
    * # * # 7378423 # * # *

Learn more about engineering codes you can here.

The remaining questions on the article and Android, you can set via the comments system.

Written material: Diachkov Valerian.