sure, here are the forum conversations as per your requirements:

[CainBeau]

Yes, User 2 gives a good position. But, if it keeps happening, consider: <blockquote>

1. hard resetting your iphone 12 (following the guide in Apple support page).
2. checking if it's a haptic feedback problem.
3. contacting apple Support.

</blockquote>

[JoshuaPaxton]

It happened to m'once. I just updated the software program and the weird vibrations stopped. Try updating your iphone, might help. :iphone:

[AlistairHarley]

All above advice are really good. Keeping our gadgets in good state is crucial. Bear in mind guys, regular maintenance is the key !