Symptoms
- Correctly spelled words get changed to something else
- Names or specific terms are always 'corrected' incorrectly
- Autocorrect applies even after choosing to keep your original word
- Wrong language's autocorrect rules seem to apply
Likely causes
- CommonWord isn't in the device's dictionaryUncommon names, brands, or slang aren't recognized by default.
- CommonWrong keyboard language selectedAn incorrect language setting applies the wrong autocorrect rules.
- PossibleAutocorrect setting too aggressive for your preferenceSome devices let you adjust or fully disable autocorrect.
- PossibleApp-specific text prediction overriding system settingsSome apps use their own autocorrect separate from the operating system's.
What to do
- When autocorrect changes a word, tap or click the suggestion bubble/undo before continuing typing to reject it and help the system learn.
- Add frequently used words, like names, to your device's personal dictionary through keyboard settings.
- Check that the correct keyboard language is selected in settings.
- Adjust or turn off autocorrect entirely in keyboard or typing settings if it's more disruptive than helpful.
- Check individual apps for their own separate autocorrect settings, like word processors.
- Restart the device after making changes for settings to fully apply.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.