Free lesson · 10 minute read · Electronics Reseller Playbook
A Complete iPhone and iPad Inspection
Verify mobile-device identity, activation, battery, display, cameras, audio, connectivity, sensors, and frame condition.
Your goal
Build a repeatable mobile-device test that catches common resale problems.
When to use
Use before buying any iPhone/iPad and before resale.
Why this matters
Phones and tablets can look perfect while hiding activation, display, biometric, cellular, or repair-related issues.
The lesson
Start with model, generation, storage, color, connectivity, serial, and carrier status where relevant. Confirm activation/account status and that the device can be transferred to a new owner.
Inspect the frame for bends, dents, gaps, lifting display, swollen battery, cracked camera glass, and signs of poor repair.
Test the display across the full surface. Use brightness changes and solid backgrounds to check dead areas, lines, touch issues, discoloration, and flicker.
Test Face ID or Touch ID if present, front and rear cameras, focus, video, flash, speakers, microphones, buttons, vibration, charging, Wi-Fi, Bluetooth, cellular functions when applicable, and basic sensors such as rotation.
Check battery health where available, but combine it with age, actual behavior, and replacement cost.
Look for parts/service messages or symptoms that suggest non-original components. A repaired device can still be a good resale item if the repair is understood and accurately disclosed.
Finally, reset/activate far enough to confirm transferability and record the device condition before listing.
Worked example
An iPad has a visible screen crease but touch works across the panel. The right question is not 'does the crease matter?' It is 'how much does the market discount this specific defect, and could it signal future failure?' Photograph it clearly, compare damaged-unit sales, and price accordingly.
Practical checklist
- Identity
- Activation/account status
- Frame/display
- Touch
- Biometrics
- Cameras
- Audio
- Buttons
- Charging
- Wireless/cellular
- Battery
- Reset/transfer
Common mistakes
- Testing the camera app but not focus/video/lenses
- Ignoring frame bends
- Assuming reset means activation clear
- Treating battery health as the only condition metric
Key takeaways
- Mobile testing needs both hardware and account checks
- A visible defect should be priced, photographed, and disclosed—not hidden
Put this into practice
Create a 10-minute phone/tablet test and a 20-minute version for expensive devices.
Before you finish
You can inspect a phone or tablet in the same sequence every time.
Progress is saved on this device; no account required.