Is your phone not working? Find out what's wrong with him

Who I am
Aina Prat Blasi
Author and references

So your phone isn't working? Let's find out together what's wrong with him. Through hidden codes and third-party apps you can find out which errors do not allow your phone to function normally. Sometimes your phone doesn't work, but you don't know which component is having problems. In this guide, we explain the methods to use to find out what happens to your phone and thus be able to fix errors before it's too late.

To find out which components are not working as they should, you can use hidden codes which allow exhaustive testing of the hardware or use third-party apps that perform the same function. Next, we will carefully look at all the possible options to find out the faults of your phone so that you can choose the one that interests you the most.

Is your phone not working? Find out what's wrong with him

Although the technology is getting more advanced, there are cell phones that continue to have a high failure rate. Therefore, yes advises to know how to find damaged components on the smartphone, if necessary. On the one hand, it is possible to do this through hidden codes, which vary according to the manufacturer and, on the other, through applications dedicated to testing all the components of the terminal.

How to find out what happens to your mobile with hidden codes

Although it is an unknown function, most Android phones have a system diagnostic test that analyzes the operation of all components. To access this hidden menu is required enter a code in the Phone application, a figure that depends on the manufacturer of the terminal. After that, you will be able to know the codes to access the system diagnostic test of the most well-known brands.

  • Samsung: write the code * # 0 * # all together.
  • Xiaomi: write the code * # * # 64844 # * # * all together or via the CIT menu.
  • Sony **: write the code * # * # 7378423 # * # * all together.
  • HTC: write the code * # * # 3424 # * # * all together.
  • Huawei: with the code * # * # 2846579 # * # * in the Phone app.
  • Motorola: with the code ## 4636 ##.

By entering these codes in the phone app, you will enter the system test where you can see a list of all the components of the terminal. One by one, you can check the operation of these elements, such as the screen, battery, WiFi connection or camera.

With this test, that it does not need third party apps or root, you can find out what happens to your mobile, start correcting errors and then get your phone working normally again. If, for some reason, this method doesn't convince you or doesn't work on your terminal, you can use the following third-party apps.

Is your phone not working? Find out what's wrong with the diagnostic apps

In the Play Store we find several applications dedicated to carrying out diagnostic tests on your mobile to help you find out what's wrong. In this article you will know three of the best mobile phone test apps , all free.


TestM, an app that we already recommended a few years ago, is still one of the most popular tools for testing the functioning of the elements of a terminal. Free and also available for iOS, TestM is ideal for analyze the status of components and receive an overall report in a few minutes.

You can test the screen, microphone and speakers, battery, the cameras and up to a dozen other components of your phone. Without a doubt, TestM is one of the best apps you can download to find out what's wrong with your phone and fix it.

Phone Doctor Plus

Another free application to find out what's wrong with your phone is Phone Doctor Plus, with over 1 million downloads on the Play Store and also available for the iOS operating system. This app check the status of about 30 components on your mobile and indicate where the problem is. For example, if you are unable to open a web page, Phone Doctor Plus informs you of the exact network connection error.

Touch screen, battery, memory, compass, microphone and speakers, flash, bluetooth connection and camera are some of the other elements you can try with this application.


Finally, you can also use Phone Check to quickly check whether your mobile is working properly or not. Memory, memory, battery, mobile networks or WiFi connection are some of the aspects you can try with this app. If you get the green tick, you can rest easily, everything is correct in the terminal. Conversely, if the color is red, the mobile phone has bugs that you need to fix.

Phone Check helps you test the operation of all components with a guided analysis that explains all the steps you need to follow . When it's done, you'll see a full phone status report, and you can even send it to your email.

Further Reading:

  • What to do when Facebook Messenger doesn't work
  • How to do when Picture-in-picture mode doesn't work on iPhone and iPad
  • Come fare screenshot su Samsung Galaxy F12 / F12s
  • 8 solutions for when Google Chrome won't update on Android
  • Skype not working on Android? Let's see how to solve

add a comment of Is your phone not working? Find out what's wrong with him
Comment sent successfully! We will review it in the next few hours.