Because these devices are often 10+ years old, careful inspection is critical to ensure you aren't buying a "brick". Apple iPhone 6s Plus Unlocked Phones for Sale - eBay
: The largest selection of used and refurbished units. Prices typically range from $40 to $95 , depending on storage and condition.
Since major retailers and Apple no longer stock this model, you will primarily find it on secondary marketplaces and refurbished sites.
: A popular choice for professionally refurbished units that often include a 12-month warranty. Prices for an unlocked iPhone 6s Plus start around $70 .
Buying a used (Unlocked) in 2026 is primarily a choice for nostalgia, a dedicated music player, or a very basic backup device, as its software support and hardware are now considered "ancient" by modern standards. Where to Buy & Current Prices
: Occasionally carries older "renewed" stock, though availability for the 6s Plus is increasingly rare. Vital Checks Before Buying
