This Way, Apple Is Forcing You To Update Your iPhone
For many reasons, users might choose not to opt into any of Apple’s latest iOS update, one of the major being impacted slow performance on older iPhones. Apple itself admitted to this in December.counteract problems in ageing lithium-ion batteries”; it’s clear that their strategy is to back their customers into a corner, rather than actually giving them an incentive to upgrade.
Soon, iPhone 5 users will have no choice but to succumb to the dreaded system update.
So, unfortunately, if you’re one of the 9% of iOS device users who run software earlier than iOS 12, you’re going to have to press the “Update Now” button within the next week.