Symptoms
- Letters appear late after typing
- Autocorrect suggestions freeze briefly
- Keyboard stutters when switching apps
- Typing feels delayed only in certain apps
Likely causes
- CommonLow available memory (RAM)Too many apps open at once can starve the keyboard of resources.
- CommonThird-party keyboard app is heavy or buggyCustom keyboards with themes, GIFs, and prediction engines use more resources than the default.
- PossibleLarge personal dictionary or prediction cacheYears of learned words can slow down suggestion lookups.
- PossibleOutdated keyboard app versionBugs in older versions can cause input delay.
- PossibleGeneral phone slowdownIf the whole phone is sluggish, the keyboard will be too.
What to do
- Restart the phone to clear memory.
- Update your keyboard app to the latest version.
- Switch to the phone's default keyboard temporarily to see if a third-party keyboard is the cause.
- Turn off keyboard extras like GIF search, themes, or sound effects.
- Clear the keyboard app's cache in its app settings.
- Reset the keyboard's learned dictionary if the app offers that option.
- Free up general storage and close background apps, since overall slowdown affects the keyboard too.
When to call a pro
If typing is laggy across a brand-new, otherwise fast phone, contact the keyboard app's developer support, since it's likely a software bug rather than a device problem.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.