Trying to connect via the Galaxy Wearable app but screen on phone reads Preparing to connect.... then loads up to about 77% before crashing. It says - Notice Download failed. Try again. CANCEL OK
I click OK and it goes back to 0
I click CANCEL and it goes off.
The issue seems to be when you are trying to pair the device while connected to wi-fi. Disconnect from wi-fi and then try to pair again. Mine finally passed the 77% mark and completed the pairing process.