Your new Samsung Galaxy S10 Plus has a nano SIM card which shares a card tray with the microSD card. Needless to say, when you remove your SIM card, the SD card will also be unmounted and vice versa.

If you want to take your Galaxy S10 and use it on any carrier network, you’ll have to do a SIM unlock first. In this guide we’ll explain how to SIM unlock the Galaxy S10 or Galaxy S10+ and why you’d ...

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone. It's shaped like a key, but has a narrow pin instead of teeth. Your Galaxy S10's SIM card ...