Samsung Galaxy A90, A70, A50, A30 Open service menu - Tip

Smartphones from Samsung have long been equipped with a hidden service menu. This menu allows the user to perform various functional tests to test the hardware.


The Samsung Galaxy A90, A70, A50, A30, A20 or A10 also has the service menu on board, but it is well hidden and can only be called up via a special code.

Most users of a Samsung smartphone have never heard of this menu, although it does have some interesting functions integrated, which are not only useful for people interested in technology, but also help in supposed troubleshooting.

Many people ask themselves the following question in this context:

What can be tested in Samsung's service menu?

Within this menu you can test the hardware sensors such as acceleration sensor, tilt sensor, etc., make sure that the touchscreen is ok (pixels are not burned in) and much more.

Especially if you have just received a new A-series smartphone like the Samsung Galaxy A90, A70, A50, A30, it makes sense to test the hardware components via this menu to find out if it works correctly.

Now we will explain how to access the hidden service menu on your Samsung Galaxy A90, A70, A50, A30, A20 or A10 and how to use functions in it.

Open the service menu on your Samsung Galaxy A90, A70, A50, A30

1. Open the phone app on your smartphone

2. Switch to the dial pad (where you enter phone numbers)

3. Enter the following code:

  • *#0*#

4. The secret Samsung service menu is now shown on the display.

We have compiled the most important function tests for you below.

The Samsung Service Menu - Important hardware tests

The menu is composed of various tiles. Each tile stands for a different test.

RGB test

Select the following tiles "Red", "Green" and "Blue" along the top to easily check for dead or burnt pixels on your display. When you have completed the check, simply tap the screen to return to the Service Menu main menu.

Touch Test

With this test you can check the functionality of the touch screen of your smartphone and whether the display recognizes the inputs exactly. For this test, trace the outer square and inner X with your finger to make sure that the touch screen registers each square you pass over.

When you tap the screen, you can see where the touchscreen registers your touches.


This menu is intended for advanced troubleshooting and tests all sensors in your Samsung Galaxy A90, A70, A50, A30, A20 or A10.

From accelerometer to gyroscope, you can get all the information you need here. Interesting here is the barometer or the compass.

Exit service menu on the Samsung Galaxy A90, A70, A50, A30 - Tip

To close the service menu on your phone, simply tap the back key twice in succession. This will now take you back to the phone app, where you can access the Android system again.

You now know how to open the secret service menu on Samsung Galaxy A90, A70, A50, A30 and test tests and hardware.

About the Author

Manuel Solvemix Team small

Manuel has been involved with technology for more than 15 years, especially with mobile phones, smartphones and PC systems and shares his passion here in this blog. If he can help someone with a technical problem, he is especially happy about it.