How we grade
How we grade every device
30 inspection points. 4 honest grades. Zero surprises at delivery.
Barely used. No marks.
Light wear. No dents.
Visible wear. Works perfect.
Heavy wear. Works perfect.
The 30-point inspection
Every device that lands at IO Circle goes through a checklist no one else publishes. Functionality is identical across all four grades — the difference is purely cosmetic. If a device fails any functional test, it does not enter the catalog.
Hardware checks
- Battery cycle count + health %
- All ports tested (USB-C, Lightning, MagSafe)
- Wi-Fi 5 GHz + Bluetooth pairing
- Speaker output (left, right, balance)
- Microphone clarity
- Camera focus + Face ID / Touch ID
- All buttons + Apple Pencil pairing
- Cellular signal (where applicable)
- GPS lock test
- Charging at rated wattage
- Thermals under load
- Storage SMART status
Cosmetic checks
- Display: scratches, dead pixels, burn-in
- Body: dents, scuffs, cracks
- Hinges + keyboard travel (laptops)
- Trackpad click feel (laptops)
- Screen oleophobic coating
- Port cleanliness
- Logo + paint condition
- Original packaging (where supplied)
- Engraving / personalisation removal
- iCloud + Find My fully unlinked
- OS reset to factory
- SSD wiped to DoD spec
Battery health policy
iPhones & iPads: minimum 85% battery health across all grades. MacBooks: cycle count below 500 for Like New / Excellent, below 800 for Good / Fair. We disclose exact battery health on every unit before shipping.
Still doesn't match? Send it back.
Our delivery agent waits while you inspect. If a device doesn't match its grade, refuse it — no questions, no fees.
How door inspection works →