: Best for verified listings and direct communication with sellers.

: Ideal if you want a professional refurbishment with a one-year warranty.

: A reliable trade-in site that sells inspected, certified used devices. iPhone 6: The "Vintage" Review

: Offers the largest inventory and lowest prices, but requires careful vetting of seller ratings.

You can find a used iPhone 6 on marketplaces like , Swappa , and Back Market . Because this device is now over a decade old, it is best used as a basic emergency phone, a dedicated music player, or a "starter" device for a young child. Where to Buy