Refurbished units specifically for AT&T are available on marketplaces like eBay and Walmart .
Refurbished iPhone X models typically sell for around $100–$130 in 2026.
The iPhone X is not supported by iOS 17, 18, or 26. It is stuck on iOS 16 , which may stop receiving security patches soon, posing a security risk.
Certified Pre-Owned devices via AT&T undergo inspection, but older units may show signs of wear and have degraded battery health. Critical Considerations for 2026
For roughly the same price or slightly more, a Refurbished iPhone 11 or 12 offers better performance, 5G, and longer support. Certified Pre-Owned Phones: Quality Used Cell Phones | AT&T
