Amazon.com: SanDisk 128GB Ultra Micro SDXC Memory Card Bundle Works with Samsung Galaxy J7 (2017), J7 (2018), J7 V (2018) Phone UHS-I Class 10 (SDSQUAR-128G-GN6MN) Plus Everything But Stromboli (TM) Card Reader :
How To Insert Sim Card & Memory Card in samsung j7 Prime(Tutorial) - YouTube
Samsung Galaxy J7 (2017) Memory Cards and Accessories | MyMemory
Amazon.com: Samsung 64GB Evo Plus Micro SDXC Memory Card Class 10 (MB-MC64KA) Works with Samsung Galaxy J7 (2018), J7 Star, J7 V (2018) Phones Bundle with (1) Everything But Stromboli MicroSD/SD Card
Amazon.com: Digi-Chip HIGH Speed 32GB UHS-1 Class 10 Micro-SD Memory Card for Samsung Galaxy J1, Galaxy J2, Galaxy J3, Galaxy J5, Galaxy J7 Cell Phones : Electronics