Amazon.com: Digi-Chip HIGH SPEED 16GB UHS-1 CLASS 10 MICRO-SD MEMORY CARD FOR SAMSUNG GALAXY S4, S IV, Mini, Zoom, GALAXY J, Win Pro G3812, S Duos 2 S7582, Grand 2, I9230 Galaxy
Rumor: Samsung may re-introduce the microSD card slot with the Galaxy S7 - SamMobile - SamMobile
OEM SIM and SD Card Board for Samsung Galaxy S4 Mini GT-I9195
How To Insert & Remove A MicroSD Memory Card - Samsung Galaxy S4 Mini - YouTube