Excellent grip. Used with iPhone 12 and 15 Pro Max.
It holds both the relatively light 12 and the heavy 15 Pro Max perfectly.

The grip was perfect whether with a case on the phone or without a case.

It is very convenient for typing, viewing anything, and you can even charge it.

Of course, when charging, the phone's temperature rises much lower than when I charge it from the charging port.

It does not stand at all and the magnet is not good, and without a case, it's still the same black mess. I do not recommend it for any reason, owner of an S20 phone