https://www.theregister.co.uk/2017/11/06/apple_ios_11_i_autocorrect/ >Apple says it is working on a fix for an annoying bug in iOS 11 that leaves some fans unable to properly type the letter 'i' without it glitching out. >The Cupertino profit factory recommends peeps running iOS 11.1, the most recent version of its smartphone and tablet OS, change their keyboard settings to automatically replace the letter 'i' with the uppercase 'I' via the text replacement settings. This is needed to prevent the character from being automatically corrected to garbage.