I just got the S5 and have the Gear 2...found the Gear app y by opening the app drawer, opening the menu, choosing Galaxy Essentials...I think it was listed there but if not you can then choose "More From Galaxy Apps" at the bottom of the list and then search for the gear manager
If you still...
OMG THANK you soo much!!! I was about about to give up on my mother's phone. I have plugged and unplugged that thing so so many times, never would've thought it would be something so odd.
Again thank you ❤ ❤ ❤ ❤