Apple blocks downgrading to iOS 15.2 after releasing iOS 15.2.1.

Today, Apple has blocked the downgrade to iOS 15.2.Release iOS 15.2.1 came in the past week

For iOS 15.2.1 it was released earlier this year. It fixes CarPlay, Messages bugs and fixes a vulnerability in HomeKit.

If anyone has problems using iOS 15.2.1 will have to wait for the new update from Apple next.

Source: 9to5mac