iOS 12.5.4 Update Brings Important Security Improvements

iOS 12.5.4 security update

iOS 12.5.4 security update

Apple has released iOS 12.5.4 (build number 16H50) for older iPhones and iPad models that aren’t supported by iOS 14. This minor software update includes important security improvements and is recommended to all Phone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation) owners.

iOS 12.5.4 comes roughly 6 months after the bigger release of iOS 12.5 that made Exposure Notifications available for older iPhone models! Subsequent iOS 12.5.1, iOS 12.5.2 and iOS 12.5.3 updates have been also focused on patching various security vulnerabilities.

How To Update To iOS 12.5.4

iOS 12.5.4 software update on iphone 6
This release is available for download as usual in Settings -> General -> Software Update.
Tap Download and Install, follow the onscreen prompts and be patient until iOS 12.5.4 is downloaded, prepared for update, verified and installed on your old iPhone or iPad.
Fact: iOS 12.5.4 update file is 202,6MB large for the iPhone 6. Update file size will slightly vary for every compatible device.

iOS 12.5.4 Security Improvements

According to the security support document that has been shared with this update, iOS 12.5.4 fixes a security vulnerability that could allow processing of ‘a maliciously crafted certificate may lead to arbitrary code execution.’

Important: Apple confirms that ‘this issue may have been actively exploited’ and recommends all users to update their iOS 12 and iPadOS 12 compatible devices.

Fact: This security issue has been already patched in iOS 14.6 and iPadOS 14.6 for all other newer, compatibile iPhone models!

Are you still using and iOS 12 compatible device? Have you updated to iOS 12.5.4? What’s your feedback? When do you plan to upgrade to a newer iPhone or iPad? Use the comments section and share your thoughts.

Related: Some of you owning old iPhone and iPad models might consider upgrading their devices this year. Check out the upcoming iOS 15 software update and perhaps you’ll get the final incentive for the move!