Lithium-ion batteries degrade even when not in use. A battery that has sat at 0% charge for a decade may be "chemically dead," meaning it won't hold a charge or could even expand and damage the internal components the moment you plug it in.
If you literally only want to make phone calls and send basic SMS texts, and you find a unit for under $40. The Verdict: Look Elsewhere buy brand new iphone 6
Most "new" iPhone 6 units on sites like eBay or third-party marketplaces are actually "remanufactured." This means they use an old motherboard inside a cheap, third-party shell with a non-original screen. They look new, but they aren't factory-original. 2. The Software Wall Lithium-ion batteries degrade even when not in use
Why You (Probably) Shouldn’t Buy a "Brand New" iPhone 6 in 2026 The Verdict: Look Elsewhere Most "new" iPhone 6
While the 8MP camera was great for its time, it lacks 4K video, Night Mode, and the image processing power we now take for granted. 4. Connectivity Issues (The 3G/4G Sunset)
If you are a tech enthusiast looking for a "mint in box" piece of Apple history for a display shelf.