How to Install a SIM or MicroSD Card in Galaxy S10 / S10+ - YouTube
SIM Card Tray / Micro SD Card Tray for Samsung Galaxy S10 Lite SM-G770
Compatible With Samsung Galaxy S10e S10+ S10 - Samsung Evo 128GB Memory Card Micro-SDXC MicroSD High Speed X1O - Walmart.com
Amazon.com: 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
Samsung Galaxy S10: How to insert a microSD card? Installation of micro SD - YouTube
SIM & microSD Card Tray for Samsung Galaxy S10e, S10, & S10+ (Silver) | Wholesale Gadget Parts