How to Verify a MacBook Pro's Serial Number and Activation Lock Status Before Paying
This guide does not quote prices: they change daily. Current fair values for every configuration are on the Market Index and each model's value page. macOS support lengths here are estimates; Apple does not publish end dates.
In short
When buying a used MacBook Pro, verifying the serial number and Activation Lock status is crucial to ensure the device is legitimate and not locked to another user's Apple ID. The recommended approach is to check the serial number on Apple's website and use tools like CheckMEND or Swappa to verify the Activation Lock status. Buyers should prioritize verified sellers with high feedback ratings.
The details
To verify a MacBook Pro's serial number and Activation Lock status:
- Find the Serial Number: Locate the serial number on the MacBook Pro's underside, in the About This Mac section, or on the original packaging.
- Check the Serial Number on Apple's Website: Visit checkcoverage.apple.com and enter the serial number to check the device's warranty status and authenticity.
- Verify Activation Lock Status:
- On a powered-on Mac: Hold Option, click the Apple menu, choose System Information, navigate to Hardware, and locate "Activation Lock Status." - If the status reads "Disabled," the device is unlocked. - Use tools like CheckMEND or Swappa for verification. - Note that Apple removed its standalone serial-number lock checker in 2017, and no official Apple web tool currently reports a Mac's Activation Lock state by serial number.
Which one to buy
Based on user workflow, budget, and constraints:
- Budget-Conscious Buyers: Look for certified refurbished MacBook Pros with verified serial numbers and Activation Lock status.
- High-End Buyers: Consider newer models with advanced features like M5 Pro chips and 24GB RAM.
- Enterprise Buyers: Ensure devices are MDM-locked and compliant with organizational security policies.
Buying on eBay
When buying on eBay:
- Watch Count Thresholds: Prioritize listings with high watch counts (>100) and fast sales (<7 days).
- Seller Feedback: Opt for sellers with high feedback ratings (>95%)
Risk and longevity
- macOS support timeline: Apple typically supports MacBook Pros for 5-7 years with macOS updates.
- Common failure points: Battery degradation, display issues, and port damage are common issues with used MacBook Pros.
Additional Tips
- Never buy a Mac with someone else's iCloud account still signed in.
- Verify the serial number on the screen matches the one physically printed on the bottom of the Mac.
- Check for iCloud Activation Lock, MDM and DEP enrollment, and firmware password (for Intel Macs).
- Use third-party services like CheckMEND or Swappa to verify the Activation Lock status.
Sources
- https://macfax.com/blog/how-to-verify-a-used-mac-before-buying-every-option-compared
- https://macfax.com/blog/activation-lock-on-mac-the-complete-guide
- https://techcortex.blog/check-mac-activation-lock-status
- https://macpro-la.com/blogs/news/how-to-buy-used-mac-without-getting-scammed
- https://macpro-la.com/en-ca/blogs/news/how-to-buy-used-mac-without-getting-scammed
- https://discussions.apple.com/thread/255117990
- https://www.idownloadblog.com/2019/11/19/mac-activation-lock-check-tutorial