App to test iPhones before buying

Introduction to the app00:00:05

The app provides information about the device, such as its specifications. It also allows users to test the functionality of various components.

Testing the screen and touch00:00:14

With this app, the user can check the screen's brightness and verify if the entire touchscreen works correctly using multi-touch tests (two, three, four, or five fingers).

Testing other Features00:00:28

The app allows checking the 3D Touch, accelerometer, and shake functionalities.

Recommendation for use00:00:37

It is recommended to download and use this app when buying a used iPhone. Activating airplane mode is recommended to avoid seeing too many ads while testing.