Nikon D6 Reference Manual page 527

D
Pairing for the First Time
•
The first time you pair the Android device with a camera after
installing the SnapBridge app, you will be prompted to select auto
link (auto upload and auto clock and location synchronization)
options.
•
This prompt will not be displayed a second time. Auto link settings
can however be accessed at any time using [Auto link] in the
tab.
D
Disabling Bluetooth
To disable Bluetooth, select [Disable] for [Connect to smart
device] > [Pairing (Bluetooth)] > [Bluetooth connection] in the
camera setup menu.
Connecting to Smart Devices
475