Apple today re-issued iOS 9.2.1 to fix the “Error 53” that had crippled iPhones whose owners had replaced some parts themselves or had a third-party shop do repairs.

The new iOS 9.2.1 will only be served to users who update their iPhones through iTunes on a Mac or Windows PC. Most iPhone owners retrieve updates over the air using their cellular connection, and so will not receive the replacement.

Error 53 appeared on iPhone 6, 6S, 6 Plus and 6S Plus devices after a do-it-yourself or third-party repair job replaced the Home button — which includes the Touch ID fingerprint-scanning authentication sensor — the connecting cable, and sometimes the screen. Once the error appeared, the iPhone was “bricked,” or rendered unusable.

To read this article in full or to leave a comment, please click here