Micro-SD Evo Plus Memory Card for Samsung Galaxy J1, J2, J3, J5 & Galaxy J7 Mobile Phone - Includes Digi Wipe Microfibre Cleaning Cloth (128GB) : Amazon.co.uk: Computers & Accessories
How to Insert SIM Card and Micro SD card into Samsung Galaxy J3 (2016) - YouTube
Amazon.com: Samsung Evo Plus 128GB Micro SDXC Memory Card Class 10 Works with Samsung Galaxy Phones J2 Core, J3 (2018), J4 Core (MB-MC128KA) Bundle with (1) Everything But Stromboli MicroSD/SD Card Reader :
How to Insert Sim Card and SD Card in Samsung Galaxy J3 2016 - YouTube