Symptoms
- Pressing home button does nothing or is inconsistent
- Fingerprint unlock through the button stopped working too
- Button feels loose or doesn't click the same as before
Likely causes
- CommonDebris around or under the buttonDust buildup over years of use can dull the button's responsiveness.
- CommonWorn mechanical switch from heavy daily usePhysical buttons wear out after tens of thousands of presses.
- PossibleDrop damage affecting the button's connectorAn impact can loosen the ribbon cable connecting the button.
What to do
- Clean around the button edges with a soft dry brush or compressed air.
- Check if an on-screen home button / assistive touch alternative can be enabled as a workaround.
- Try re-registering your fingerprint if unlock has also stopped working, in case it's a software pairing issue.
- Restart the phone to rule out a software freeze affecting the button.
- If cleaning and restarting don't help, the button assembly likely needs professional replacement.
Tools and parts
- Soft brush
- Compressed air
Home button flex cable assemblySearch: “home button replacement for your model”
When to call a pro
Note that on some models the home button is tied to Touch ID/fingerprint security hardware, so replacement should be done by an authorized repair provider to keep that feature working.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.