Sony Xperia Z Secret Codes And Hidden Service Menu

Every Smartphone has some secret codes or numbers which will help you to access hidden menu which are intended for developers or the service center people to check hardware components of your Sony Xperia Z.

So here I am going to show you how to access the internal function of Sony Xperia Z Ultra for testing the various hardware parts of your phone if it is working properl y or not with the help of this secret code you can test LCD, vibration, camera, sensor (accelerometer sensor, proximity sensor, magnetic sensor), touch screen, speaker, earphone, sub key, etc... if you have any hardware problem with your phone you can identify with this code if it is working or not to do this follow the steps below.

First of all open your keypad

Then dial the secret code *#*#7378423#*#*.



 After dialing the code you will get a screen with options of service info,service setting, service test, customization setting.

• Servce Info - In this you can get model info, software info, SIM lock and configuration
• Service setting
• Service Test - In this option you will get most of the test for your mobile like LCD, vibration, camera, sensor (accelerometer sensor, proximity sensor, magnetic sensor), touch screen, speaker, earphone and much more.
• Customization Setting

These codes will work on all the models of Xperia Series.

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