Best microSD cards for the Samsung Galaxy S10 family of smartphones
SanDisk 256GB SDXC Micro Ultra Memory Card Works with Samsung Galaxy S10, S10+, S10e Phone Class 10 (SDSQUAR-256G-GN6MN) Bundle with (1) Everything But Stromboli Multi slot SD and Micro Card Reader
Galaxy S10/S10E/S10+: How to Insert Sim & SD Card Properly (and how to check) - YouTube
For Samsung Galaxy S10 Lite SM-G770 SIM Card Tray/Micro SD Card Tray | eBay