Galaxy J3 2016 - How to insert micro SD card - 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 :
Galaxy J3 Prime (T-Mobile) Phones - SM-J327TZKATMB | Samsung US
Amazon.com: Samsung Evo Plus 64GB MicroSD XC Class 10 UHS-1 Mobile Memory Card for Samsung Galaxy J3 J1 Nxt Ace A9 A7 A5 A3 Tab A 7.0 E 8.0 View On7 On5
Galaxy J3 Prime (Metro PCS) Phones - SM-J327TZKATMK | Samsung US
Samsung Galaxy J3 (2017): How to insert the microSD card? Installation of a micro SD - YouTube