128GB Micro SD Memory Card for SAMSUNG GALAXY A10,A40,A50,A51,A70,A71 Mobile | eBay
Amazon.com: Samsung Micro 64GB Evo Plus Memory Card for Samsung Phone Works with Galaxy A20s, A20, A10, A70 (MB-MC64KA) SDXC Class 10 A1 UHS-I Card Bundle with (1) Everything But Stromboli MicroSD
Amazon.com: Everything But Stromboli 64GB Azaire MicroSD Memory Card & Adapter Works with Samsung Galaxy Phones A Series A10, A10e, A20, A30, A50 Speed Class 10, U3, UHS-1, SDXC Plus (1) Micro
How to Install Nano SIM & Micro SD Card in SAMSUNG Galaxy A10 - Insert SIM & SD - YouTube