Here's why your old iPhone feels slow – and what you can do about it

The other day benchmarking firm Futuremark published a report that attempted to put an end to the long-held urban legend/conspiracy theory that Apple deliberately throttles old hardware in an attempt to encourage owners of old iPhones to upgrade.

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Now, of course, this urban legend is hogwash. There’s never been any evidence to suggest that Apple has been doing anything or the sort, and is all based on anecdotal evidence.

But the idea that iPhones get slower as they become older is not a myth. In fact, the longer you use it, the more sluggish it gets. Actions such as unlocking the iPhone or firing up an app become appreciably slower.

The problem is that cache files and other detritus…

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