Apple Stops Signing iOS 18.2.1, Stopping Downgrading


Apple right this moment stopped signing iOS 18.2.1, which signifies that iPhone customers who’ve upgraded to iOS 18.3 can now not downgrade to the prior model of iOS 18. Apple launched iOS 18.3 per week in the past.

iOS 18
When new variations of iOS are launched, Apple stops signing the prior model after per week or two. An replace that’s not signed will not be capable of be put in on an ‌iPhone‌ as a result of there’s a server-side software program verification test. As of proper now, ‌iPhone‌ fashions appropriate with ‌iOS 18‌ are solely eligible to obtain and run iOS 18.3.

By stopping prospects from downgrading to older variations of iOS, Apple ensures that units are stored updated with the latest safety enhancements.

Apple’s iOS 18.3 replace included a handful of Apple Intelligence updates and greater than 20 safety updates. A type of fixes addressed a vulnerability that will have been actively exploited on some units, demonstrating why it is very important hold iOS software program updated.

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