Why Should You Install This App Before Buying Any Used SmartPhone?

Testm is a revolutionary application that checks smartphones for technical problems and works on both Android and Apple devices. The app offers smart phone users a very important service for anyone who wants to know their phone problems for repaired or when you want to buy a new phone or device and want to make sure everything is OK or not.

Testm technology does this through a wide and comprehensive series of tests where all smart phone components are diagnosed in order to assess the status of the phones. Testm will then create a detailed report on the status of your smartphone so that you can save it to your phone or share it with others. 

Features and usage:
 Testm is a free application that you can download from the Google Play store (or Apple store) and can be downloaded in less than 5 minutes on any Android 4.3 smartphone and later. Testm supports more than 15190 different model for smartphones and in 20 different languages.

Whether you need to repair, sell or buy a used smartphone, the TESTM report will be useful. In short, if your phone suffers from any problems by making a full test and knowing what's wrong. Want to buy a pre-owned smartphone? Simply ask the owner to send you a testm report. That way you know what you buy. You want to sell your phone? Then, you must perform a full test on your device and attach the Testm report as a picture in your data card. This way you have a chance to sell your phone faster.

How the app works: When you open the app, you'll be given the option to either make a quick or full phone test. I chose the latter, which took about 5 minutes. About 20 different tests to assess the different aspects of my phone as mentioned below:

Touch screen Test
Sound for your speakers, earpiece, microphone, and headphones
Movement: Gyroscope, accelerometer, compass
Connectivity: Wi-Fi, Bluetooth, GSM, GPS
Devices: Light sensor, charger, vibration, proximity sensor, fingerprint sensor
Camera: Front camera, main camera, LED Flash.

Download For Android

Download For IOS

This App is so great, and it can be very useful when you want to buy a used phone and want to make sure everything works fine.