SIM & Micro SD Card Tray for Samsung Galaxy J3 J5 J7 2017 Black - ChipSpain.com
Samsung Galaxy J3 (2017): How to insert the microSD card? Installation of a micro SD - YouTube
Samsung Galaxy J3 (2017): How to insert the microSD card? Installation of a micro SD - YouTube
How to Insert Nano SIM on SAMSUNG Galaxy J3 2017 - Install Mirco SD Card - YouTube
Amazon.com: SanDisk 256GB Ultra Micro SDXC Memory Card Works with Samsung Galaxy J3 (2018), J4, J6, J8, Amp Prime 3 Phone UHS-I Class 10 (SDSQUA4-256G-GN6MA) Bundle with Everything But Stromboli Card Reader :
Samsung Evo 16GB High Speed Class 10 Memory Card Micro-SDHC MicroSD R4Q for Samsung Galaxy Amp 2 Prime, Avant Express Prime Grand Prime, J1 J3 Emerge J7 Perx V (2017) - Walmart.com