Locate SIM & SD Card Slots in Samsung Galaxy Tab S6 Lite - Insert SIM & SD Card - YouTube
MicroSD cards and your Galaxy phone or tablet
Amazon.com: SanDisk 256GB Ultra Micro SDXC Class 10 Memory Card Works with Samsung Galaxy Tab A 10.1", Tab A 7.0" (2016), Tab S3 9.7" Tablet, Phone Storage Bundle with 1 Everything But
Samsung Galaxy S6: How To Insert and Remove Nano SIM Card - YouTube