Engineering Modes of Leading Smartphone Brands

By Mir Zahoor – Forum Founder
www.gsmkashmir.com

There are many Secret Dialer codes for the Smartphone these days and all mobiles have their unique codes to Access the Hidden (Service) Menu. In this article we will show you how can you use your phone dialer and calculator to open up these secret hidden menus….

Samsung Galaxy Hidden  Test Menu :

There’s a cool feature on the Samsung Galaxy Smartphone that will render your user’s manual useless. A hidden menu, which you can access by dialing a specific string of characters, lets you troubleshoot hardware issues and check your phone’s functionality. To find the hidden menu, open the dial pad and enter *#0*# — with no spaces, just like you would any phone number.
Then wait a moment, and this screen should pop up:

Service Test Code For  Sony Xperia :

Open the dialer and enter this code *#*#7378423#*#* or *#*#SERVICE#*#*. The service menu will open. Tap ‘Service Tests’. You will find many options here like touchscreen, display, LED, Illumination, Light Sensor, Speaker, Earphone, Microphone, Camera, Front Camera, Bluetooth, WLAN, GPS, Compass, Accelerometer, Proximity Sensor, RTC, Total Call Time, Battery Check, NFC, Flash LED etc. Tap on any option to test it. If test is successful then your phone is in perfect condition without hardware faults.

Asus Zenfone Secret Code (Hardware Test)

This test will help you check out all the hardware components of your Mobile.

First of all Open you Calculator application.

Then Dial the Secret Codes  .12345+=
After you press = a new screen will appear as shown below
This test will give you dozens of test to perform on your mobile like – Wifi,Bluetooth, Camera, Touch Screen, Vibration, Speaker, SIM Card, etc……

Hardware Diagnostic Tests on OnePlus & Oppo

Dialing the service code will enter your OnePlus and Oppo into service mode or engineer mode. In this mode, you can diagnose Wi-Fi problems, back and front camera issues, flashlight issues, battery charging, Bluetooth, Gyroscope, Proximity sensor, GPS, LCD brightness, see usage statistics of your phone, and many more, but with caution. Making unwanted changes are dangerous.

Just dial the code *#808# in the phone dialer app, you can access hardware diagnostic mode or engineer mode on your OnePlus runs Oxygen OS (OnePlus One, OnePlus 2, OnePlus X OnePlus 3/3T) and Oppo runs Color OS (Oppo R9, Oppo R7, etc.) handsets and then perform a variety of tests.

Hidden Service Menu of Xiaomi Redmi

This is the famous QC Test menu which will let you to check various hardware parts of your mobile phone like Sim Card, LCD, Speakers, Wifi, sensors, camera, microphone, keys etc. To enter the test area go to dialing screen, enter the *#*#64663#*#* or *#*#MIUI#*#*.

Another method is Tap the ‘Settings’ of the Xiaomi MIUI operating system. Then tap on ‘About phone’ and then tap four times on ‘Kernel version’. You will get a prompt that you are ‘x’ clicks away from entering the ‘CIT’area.

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Technology For You (Formerly Computers For You) is a Leading Technology & Career Magazine Publishing from Hyderabad since 1999. In addition to this Web version, We have been bringing out Technology For You magazine for over 19 years (Since 1999) continuously and this is the Largest Circulated magazine in both the Andhra Pradesh and Telangana States and in addition to these States, this is being circulated in other cities like Bangalore, Chennai, New Delhi, Mumbai & Pune...etc.
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