Fir the last 36-48 hours my Note 20 has been vibrating every 30-32 minutes with no notifications showing or being recorded. It does this no matter what, as far as I can tell. If it's in my pocket, if I'm holding it, if it's charging and sitting still... I've not downloaded any new apps in that time and I can't figure out what is going on.
Also, I've turned the notifications volume up and it signals a notification instead of vibrating. I have restarted my phone, a couple of times to no avail.
there is an app found in Samsung store for the "Good Lock" app (yes I know an app for an app sounds confusing but both are made by Samsung, so make of that what you will.) it is called "nice catch" and it will tell you why your phone has been vibrating.
