Apple has released a revised version of iOS 9.2.1 on Thursday to fix devices that have been affected by ‘Error 53,’ an issue that could ‘brick’ a user’s iOS device if it received a third-party Touch ID sensor replacement instead of one of Apple’s own replacements.
What is new in the revised iOS 9.2.1 release?
iOS 9.2.1 has been the latest software version for iOS devices for a month now. Prior to today, iOS 9.2.1 came with build number 13D15. Today’s update comes with build number 13D20.
iOS 9.2.1 build 13D20 is a firmware that users can restore to via iTunes if they’ve ‘bricked’ their devices by having a third-party Touch ID sensor installed. It’s not available as an OTA (over-the-air) update, but instead, must be installed via iTunes on your computer.
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