4 free apps to test your Android phone's hardware

4 free apps to test your Android phone's hardware
If you own an Android smartphone, you usually know if everything on it is working properly or not. However, sometimes you may not be aware of the hardware problems that your device has. And that's why there are various apps that allow you to test your phone's hardware capabilities - from the different sensors inside it (some of which you might not even know that are there) to audio performance, dead pixels, battery, and so on.

Test apps can also be really useful when you're buying a second-hand smartphone, and you want to make sure it's not a defective unit. Even is your device doesn't have any issues, it can still be interesting to use a test app on it at least once. There aren't too many free apps of this kind that are really worth trying, but those that are can be checked out below (in alphabetical order, download links included):


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