Apple previously provided users with a workaround to mitigate the issue. The company advised iPhone and iPad owners to use the Text Replacement tool found in the settings menu to fix problem until a proper fix was released.
To install the new update, open your iPhone or iPad’s settings menu, tap General, and choose “Software Update.” A Wi-Fi connection is required to download and install the new software.
The update comes three days after some iPhone and iPad owners began reporting the issue once they had updated their devices to iOS 11.1. In many cases, affected users would find that the keyboard corrected the letter “i” to an “A” followed by a question mark in a box.
The new update, iOS 11.1.1, also fixes a separate bug that caused “Hey Siri” to stop working.