Check the quality of old phones before buying with TestM application

Buying an old phone can save a big expense, but it requires buyers to have a bit of technology to choose a good one. Because, it is very difficult for us to check all the features and components inside the machine with the naked eye, even for those who are familiar with technology, this is not easy. Therefore, if you intend to own an old phone that is not very knowledgeable about technology, you can install TestM application for Android or for iOS to test your old smartphone yourself before buying, and minimize the case of machine errors, the machine does not guarantee the quality to the maximum.

Basically, the TestM application will help you check some important information on your phone that is not recognizable by appearance such as watching phone hardware, checking software, including monitors, sensitivity. touch, dead point (even the smallest), sound system, sensor, connectivity, camera, vibration, current battery status, .

The phone quality assessment results are used by the TestM from the original data source of the device and through some online certificates with high accuracy and reputation.

Main features of TestM application:

1. Screen test: Touch sensitivity, dead spot, reflective brightness, .
2. Camera inspection: Front, back and flash cameras.
3. Sound test: Speaker, headset, voice mic.
4. Connectivity: WiFi, Bluetooth, Cellular, GPS.
5. Motion: Gyroscore, accelerometer, compass.
6. See hardware: Light sensor, charger, vibration, proximity sensor, fingerprint sensor.

Right now, if you want to try TestM, you can download the link below:

1. Download the TestM app - Check phone & Report for iOS
2. Download the TestM app - Check phone & Report for Android

Thus, the Network Administrator has introduced to you the application to help check the quality of old phones before buying. In addition to using TestM, you can also refer to some "tricks" to buy old Samsung phones, choose to buy the old iPhone that some users share to own a good old phone , low price. Don't forget to make customizations as soon as you buy a new smartphone to get the best experience during use!

See more:

1. Top 6 most worthwhile phones for students
2. Instructions for checking genuine Samsung phones
3. Check iPhone memory capacity
4. How to check if iPhone is refurbished, new or replaced