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Story summary
- The Apple iPhone 4, launched in June 2010, has sales up 979% on sites like eBay as consumers seek its vintage appeal.
- Experts warn the device poses security risks because it runs only iOS 7.1.2 and lacks updates or protections against data harvesting.
- Users should avoid entering personal data on the device, which is obsolete and vulnerable to hacking.
- Despite its aesthetic charm, the iPhone 4 may compromise user security.
