But a bug in iOS that automatically replaces the letter "I" with "A [?]" when writing a message is causing an understandable amount of anger among users.
This document will be updated as more information becomes available.
Like all iOS 11 releases, iOS 11.1 is compatible with iPhone 5S or later, iPad mini 2 or later and the 6th generation iPod touch or later. Apple, for its part, has recognized that this bug exists, but so far, an official patch hasn't been pushed to affected users.
The bug will eventually be permanently fixed in a software update, Apple said.
Several Mac support forums are also recommending that users install custom keyboard apps, which use their own predictive text features. Then tap the "+" key and type uppercase "I" for phrase and lowercase "i" for shortcut.
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It seems to affect iMessage, as well as other apps including Instagram and Twitter. Apple will obviously need to push out another iOS update to address the issue, though, in the mean time, it has a workaround for you to try. The problem appears to stem from how the keyboard's predictive-text function reads the capital letter "i", according to the Guardian. Apple has acknowledged the feature saying that it's affecting anyone with a device that's running iOS 11.1.
Apple is yet to respond to MailOnline's request for comment.
For those who are using an Apple device with iOS 11, a keyboard glitch might not allow you to type certain vowels.
A number of users are reporting on Twitter that autocorrect is replacing the letter "i" with "A [?]".