If you want to buy a phone user: Here's the best application to check the phone

If you are considering buying a new phone or used it is necessary to ensure his safety,Through examination of battery,The performance of the voice, the work of sensors, as well as obtain information about the device,For that I propose to you four free applications to make some necessary tests on Android devices.

This application allows you to scan your system thoroughly,Make sure whether or not the battery defect,In addition to information about the internal memory,And the wireless network,Test multi-touch screen and check.

Application Link:  Android