What kind of tests are run on my phone and why?

All the tests that we do are listed here:

HardwareSoftwareScreenButtonsOther
IMEICalling CheckPressure sensorCamera burst testBluetooth
WifiDevice age (auto)Touch Calibration3.5 mm JackBill
BatteryDevice age (manual validation)Screen CheckFacial recognitionHeadphones
Charging PortID lockScreen Physical ConditionBrand Lock / icloud lockCharger
Front CameraDevice rootScreen FunctionalityScreen-lock or passwordBox
Back CameraIs the operator locked
Home buttonIs IMEI / TAC authentic
MicrophoneAccelerometer
Back buttonIs the device stolen
Proximity

Recent App buttonBill authenticity
Vibrator

Volume buttonsWarranty status
Gyroscope

Power button
Speaker



Headphone Jack



Fingerprint Sensor



SIM tray



SIM working



Magnetometer



Is processor / chipset authentic



Receiver speaker



Network – functional



Network Supported Bands



Additional Tests

  • Device Spin Test (To check if a phone, usually iPhone, is bent)
  • Battery Spin Test (To check is the battery is inflated)
  • Removing tempered glass to check if the screen is damaged