Originally Posted by Dennisg34
That was prob a CM ROM feature, stock S5 might not have this option.
Sent from my SM-G900V using XDA Free mobile app
It may or may not but previous android versions allowed this behavior on stock roms. Took a bit of messing around but you could get it to stop auto-mounting, usually by enabling debug mode in developer options, that doesn't seem to be the case anymore
Phone: Samaung Galaxy S5
Tablet: Acer Iconia A500
Retired: Note II, Galaxy Nexus, HTC Thunderbolt, Samsung Charge, DroidX, Droid OG