iPhone Pre-Purchase Checklist 📱
Here’s a properly structured iPhone Pre-Purchase Checklist (clean, easy to follow, and step-by-step):
With over 9 years of experience as in IT, I have led technology operations across diverse industries, ensuring robust IT infrastructure, network security, and team development.
My expertise spans managing IT infrastructure & operations, IT policy, and backup/disaster recovery. My expertise also includes IT asset management, Google Workspace & Office 365, endpoint security, DLP, and cross-platform systems (Windows/Linux/Mac OS) etc.
Additionally, I hold certifications in Google IT Support, CCNA, and IBM Cybersecurity, reinforcing my commitment to continuous learning and delivering robust technology solutions.
Thank you for your time and consideration.
Best regards, Vishal Mathur
0. Before Buying
Check Bill / Warranty availability
Check Box + Charger + Accessories
Run 3UTOOL / iTunes check (device history)
Reboot / Reset iPhone
Verify iCloud Logout (no Apple ID locked)
1. Physical Inspection
Body condition – dents, scratches, screen cracks
Fingerprint / Face ID working
All buttons – Volume +/–, Lock/Power, Ringer switch
Charging test (with original cable)
Inspect phone edges – to see if opened/repaired
2. Authenticity Check
Verify Serial Number on Apple’s website
Verify IMEI Number on iunlocker.com
Check Warranty / Expiry Date
3. Internal / Functional Tests
Battery Health (must be > 80%)
Storage Capacity matches claim
Camera Test:
Front + Back photo & video
Microphone in video
Burst mode
Slow motion
Portrait mode
3D / Haptic Touch (press and hold icons)
Flashlight
Brightness test (low & high, indoor & outdoor)
Speaker Test – play music/video at full volume
SIM Test:
Insert SIM & make call
Check proximity sensor (screen off during call)
Check carrier lock / network
Test 4G data
App Store – download any free app (e.g., Antutu)
GPS – set route in Maps
Gyroscope / Compass – rotate phone
Multi-tasking (switch between apps)
Touchscreen Test – move AssistiveTouch ball around screen
Wi-Fi Test – connect & run speedtest.net
Screen Spot Check – use white & black wallpaper
Bluetooth Test – connect with headphones/speaker
Voice Recorder – record and playback (mic test)
True Tone Display – enable in brightness settings (if supported)
4. Performance Test
- Run Antutu Benchmark / Geekbench for performance score
✅ If all tests pass → Safe to buy
❌ If any critical issue → Negotiate price or avoid purchase
