If the problem happens only in one app or just a few apps, consider uninstalling and then re-installing that app. Swipe up on each app’s preview to close.Swipe right or left to see all your open apps.Double-click the Home button or swipe up on the Home Gesture Bar.Simple Fixes for Keyboard Lag Close ALL open apps If not, continue to the next tip on the list. This list is not a step by step, so try each fix one at a time and then see if it resolves your issue. Try the following suggestions, from least invasive at the start of the list to most dramatic at the end. Consequently, your iPhone or other iDevice ends up virtually unusable to type emails, respond to a text, enter web pages or anything involving the keyboard. Keyboard lag commonly appears when typing emails, texts, or when using Messages. It’s a garbled mess of letters and very frustrating. You go to type in your iDevice, and your keyboard just freezes and becomes super laggy! It’s like your iPhone just can’t keep up! If you continue typing and wait a few seconds, everything you typed starts appearing but not in the order you expect. Settings > General > Accessibility > Reduce Motion > ON.Delete App Documents and Data on iCloud.Settings > General > Accessibility > Reachability > OFF.

Reset ios predictive text