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06/11/2023

Refurbished Smart Phones Functional Testing

functional-testing

Refurbished smart phones are devices that have been previously owned and returned for various reasons, such as trade-ins, lease returns, or warranty replacements. These phones undergo a comprehensive refurbishment process to restore them to a like-new condition, both in terms of physical appearance and functionality. Functional testing is a key component of this process and involves evaluating the phone's hardware and software to ensure it works correctly and reliably. 


Below you can find the list of tests performed on the refurbished smart phones sold on Refurbifi.com marketplace.

Test NameTest PurposePass ThresholdTest Performed
Physical
Physical Buttons TestTests that all buttons work (volume/ home/ power button/ back/ multi-screen)Buttons function and are consistently easy to use✅
Touch ID testTests that fingerprint can be readFingerprint can be read✅
Face ID testTest facial recognition feature worksFacial recognition feature works✅
Display
Touchscreen TestTest the sensitivity of the screenAll areas used during testing register touch✅
Screen Dimming TestTests that the screen brightness adjustsScreen brightness changes with change in setting✅
Screen Pixel TestTests for dead pixels100% of pixels light up and are functional✅
Screen Discoloration TestTests the screen for discoloration or burned imagesScreen is free of pink/ yellow/ and blue marks from burning✅
White Spot TestTests the screen for white spots against white backgroundScreen is free of any significant white spots✅
Proximity Sensor TestTests if buttons deactivate when phone is close to users faceScreen goes dark when phone is covered✅
Rotation TestTests if display rotates when device is rotatedDisplay rotates with device✅
Battery
Battery Charging TestValidates that battery will chargeBattery charges✅
Camera
Front Camera TestTests if front camera takes a good picture (color & blurriness)Picture taken is of good quality✅
BackCamera TestTests if back camera takes a good picture (color & blurriness)Picture taken is of good quality✅
Additional Camera TestTests if any additional camera(s) takes a good picture (color & blurriness)Picture taken is of good quality✅
Camera Flash TestTests if camera flash workFlash seen when flash engaged✅
Back Camera Flash TestTest if camera(s) flash workScreen flashes white when photo taken✅
Camera Video TestTests if front camera takes a good video (color, sound, & blurriness)Picture and audio of video taken is of good quality✅
Connectivity
WIFITests if the phone connects to WIFIDevice detects and connects to WiFi network✅
Bluetooth TestTests if the signal comes on and device can connect to bluetoothDetects nearby Bluetooth devices✅
SIM Card TestTests that SIM is recognizedSIM is recognized✅
Service TestTests that device can make a callCall to 611 completed✅ (If Possible)
SD Slot TestTests that SD slot recognizes cardSD symbol displays✅
Audio
Earpiece Test Tests that a user can hear sound through the earpieceSound heard when device placed at operator’s ear✅ (If Possible)
Headset TestTests the headset jacks workSound heard through headset✅
Loudspeaker TestTest quality of speakerSound heard through speaker✅
Microphone 1 TestTests microphone quality of top microphoneRecorded message is clear and strong, with no crackling✅
Microphone 2 TestTests microphone quality of bottom microphoneRecorded message is clear and strong, with no crackling✅
Vibration TestTests if the device vibratesVibration felt when vibration turned on✅
Wearables
Data ClearedVerify all previous data destroyedFactory reset✅
Powers On/OffTest that device powers on/offDevice powers on/off✅
Functioning LCDTest LCD functionsLCD is clear/visible✅
Functioning TouchscreenTest touchscreen functionsScreen responds to touch✅
Functioning ChargerTest device chargesDevice battery takes charge✅

Functional testing is an integral part of the refurbishment process for phones, as it plays a vital role in delivering reliable and high-quality refurbished devices to consumers. By systematically testing and verifying the functionality of phones, refurbishers can ensure that customers receive devices that perform as expected, while also providing peace of mind regarding the purchase of a refurbished phone.

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