A:AnswerWe purchased two S20+ phones. We didn't need a SIM card for either one. Once we logged into our google account, the phone found our service provider (Verizon) and activation was completed.
Samsung has a fantastic switch app to transfer anything from your old phone to your new phone in a jiffy. We have used this app four times already on four phone change-overs in the last few months. It's always worked.
A:AnswerThe smallest phone in the S20 series is the S20. Screen size is 6.2 inches diagonal measurement.
The next largest is the S20+. Screen size is 6.7 inches diagonal measurement.
The largest is the S20 Ultra. Screen size is 6.9 inches diagonal measurement.