Functional Testing for DLS Grades
(Formerly HYLA Grades)
Testing is specific to each device category:
Mobile Devices and Tablets Testing
This chart outlines the minimum thresholds needed to be met for each grade.
Note: Tests with a ‘–‘ listed indicates that we are not guaranteeing that functionality nor that the test was performed.
See GRADING SCALE to learn more.
| Grade Test | AA+ Like New Condition Fully Functional | A+ Light Wear and Tear Fully Functional | A Light Wear & Tear Partially Functional | B+ More Aggressive Wear & Tear Fully Functional | B More Aggressive Wear & Tear Partially Functional | C Heavy Cosmetic Damage Key Functionality Tested |
|---|---|---|---|---|---|---|
| Data Cleared | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| All Activation Locks are Disabled | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Powers ON/OFF | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Establishes Network Connection | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Device Charges | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| Digitizer Function | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | — |
| LCD Function | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | — |
| Less than 3 Missing Pixels | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | — |
| Wi-Fi Connectivity | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| Rear Picture / Camera / Video Operational | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| Speaker and Microphone Function | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| Exterior Buttons Function (Home, Volume, Mute, Power, Etc.) Operational | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| No Nav Bar / Menu Burn-in | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| No Bruising nor Burn-in Present | ✔️ | ✔️ | ✔️ | ✔️ | — | — |
| No Chips nor Delamination Present on Main Display Area or Screen Borders | ✔️ | ✔️ | ✔️ | — | — | — |
| Backlight Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Proximity Sensor Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Vibrator Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Headset Jack Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Bluetooth Function | ✔️ | ✔️ | — | ✔️ | — | — |
| GPS Function | ✔️ | ✔️ | — | ✔️ | — | — |
| LDI Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Front Picture / Camera / Video Operational | ✔️ | ✔️ | — | ✔️ | — | — |
| Fingerprint/Facial Recognition Function | ✔️ | ✔️ | — | ✔️ | — | — |
| Battery Health (70%+) | ✔️ | ✔️ | — | — | — | |
| 14-Day Buyers Remorse | ✔️ | — | — | — | — | — |
Wearables Testing
This chart outlines the minimum thresholds needed to be met for each grade.
Note: New Grade products will be in their original packaging, including shrink wrap. We do not unwrap, open, inspect, nor test. Tests with a ‘–‘ listed indicate that we are not guaranteeing that functionality nor that the test was performed.
See GRADING SCALE to learn more.
| Grade Test | AA Like New, Fully Functional Devices, Buyer’s Remorse | A Free of Cracks, Breaks, & Missing Pieces | B More Aggressive Wear & Tear Cosmetics | C Heavily Damaged Cosmetics |
|---|---|---|---|---|
| Data Cleared | ✔️ | ✔️ | ✔️ | ✔️ |
| All Activation Locks are Disabled | ✔️ | ✔️ | ✔️ | ✔️ |
| Powers ON/OFF | ✔️ | ✔️ | ✔️ | ✔️ |
| Functioning LCD | ✔️ | ✔️ | ✔️ | ✔️ |
| Functioning Touchscreen/Digitizer | ✔️ | ✔️ | ✔️ | — |
| Screen is Free of Cracks, Breaks, and Missing Pieces | ✔️ | ✔️ | ✔️ | — |
| Functioning Speaker/Receiver | ✔️ | ✔️ | ✔️ | — |
| Free of Water Damage (LDI not tripped) | ✔️ | ✔️ | — | — |
| Functioning Charger | ✔️ | ✔️ | — | — |
| Entire Device is Free of Cracks, Breaks, and Missing Pieces | ✔️ | ✔️ | — | — |
Apple Accessories Testing
This chart outlines the minimum thresholds needed to be met for each grade.
Note: New Grade products are in their original unopened packaging including shrink wrap. We do not unwrap, open, nor inspect and therefore do not test.
Tests with a ‘–‘ listed indicate that we are not guaranteeing that functionality nor that the test was performed.
See GRADING SCALE to learn more.
| AirPod/AirPod Pro Grade Test | Open Box | Excellent | Good | Fair |
|---|---|---|---|---|
| Powers ON | ✔️ | ✔️ | ✔️ | — |
| Bluetooth | ✔️ | ✔️ | ✔️ | — |
| Speaker | ✔️ | ✔️ | ✔️ | — |
| HomePod Device Grade Test | Open Box | Excellent | Good | Fair |
| Powers On | ✔️ | ✔️ | ✔️ | — |
| Bluetooth | ✔️ | ✔️ | ✔️ | — |
| Speaker | ✔️ | ✔️ | ✔️ | — |
| WiFi | ✔️ | ✔️ | ✔️ | — |
| Mic | ✔️ | ✔️ | ✔️ | — |
| Apple TV Grade Test | Open Box | Excellent | Good | Fair |
| Powers On | ✔️ | ✔️ | ✔️ | — |
| Bluetooth | ✔️ | ✔️ | ✔️ | — |
| WiFi | ✔️ | ✔️ | ✔️ | — |
| IR Receiver | ✔️ | ✔️ | ✔️ | — |
Laptop Testing
This chart outlines the minimum thresholds needed to be met for each grade.
See GRADING SCALE to learn more.
| Laptop Grade Test | A | B | C |
|---|---|---|---|
| CPU | ✔️ | ✔️ | ✔️ |
| Motherboard | ✔️ | ✔️ | ✔️ |
| Battery | ✔️ | ✔️ | ✔️ |
| USB Ports | ✔️ | ✔️ | ✔️ |
| Keyboards | ✔️ | ✔️ | ✔️ |
| Pointer | ✔️ | ✔️ | ✔️ |
| Display | ✔️ | ✔️ | ✔️ |
| Audio | ✔️ | ✔️ | ✔️ |
| Wi-Fi | ✔️ | ✔️ | ✔️ |
