January 14, 2025 – Apple has recently halted the verification process for iOS 18.2 updates, effectively preventing iPhone users who have upgraded to iOS 18.2.1 from downgrading back to the earlier version.
This move aligns with Apple’s standard practice of discontinuing verification for older iOS versions within a few weeks of releasing a new update. The company maintains a software verification check on its servers, which prohibits the installation of unverified iOS versions on iPhones.

iOS 18.2, released in December 2024, introduced the second wave of Apple Intelligence features, including Image Playground, Siri ChatGPT integration, and Genmoji. These additions were aimed at enhancing the user experience and capabilities of compatible devices.
By discontinuing the verification of iOS 18.2, Apple aims to improve the security of user devices and ensure that customers have access to the latest features and bug fixes. As a result, iOS 18.2.1 is now the minimum installable version of iOS 18 available for iPhone users.