256GB Memory Card with Zipper Case - Transcend High Speed MicroSD Class A1 U3 MicroSDXC for Samsung Galaxy J7 Sky Pro Tab Active Pro S3 9.7 S6 10.5 S5e 10.5 S4 10.5,
Amazon.com: SanDisk 256GB Ultra Micro SDXC Memory Card Works with Samsung Galaxy J7 (2017), J7 (2018), J7 V (2018) Phone UHS-I Class 10 (SDSQUA4-256G-GN6Mn) Bundle with Everything But Stromboli Card Reader :
64GB Micro SD SDXC Memory Card For SAMSUNG GALAXY J3,J5,J6,J7,S7,S7 EDGE Mobile | eBay
How to Insert Sim & Sd Card in Galaxy J5 / J7 (2016) - YouTube