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This phase-out is largely due to hardware restrictions. Older devices often don’t have the storage space, RAM, or features required to run mobile the way that the new iOS requires. So they’re stuck behind the updates, and will eventually start losing support for apps and services over the coming years.

Continue reading to browse all of the devices that won’t be able to use iOS 13. If you have one of these devices, iOS 13 is beyond your reach, and it may be time to start planning for a replacement.