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Apple will update iPhones for at least 5 years in rare public commitment
(arstechnica.com)
This is a most excellent place for technology news and articles.
When did Apple claim that? Sure if you send them a one year old phone, they will refurbish it (they will also pay you several hundred dollars to take the device off your hands). But they've never refurbished several year old models. Those have always been recycled (destroyed) regardless of what condition they are in.