I've updated my iPhone to the latest iOS and also installed the Connect mobile app latest version and now the app does not see my Forerunner 230. I have jumped through the usual hoops (forgetting device, turning Bluetooth off and on, restarting both devices, etc.) to no avail. Still get "device not found" message every time I try to pair. Suggestions???
I have the same problem with my Forerunner 935, brand new out of the box yesterday (Nov 6th). Paired for a couple of hrs, lost sync and has not come back since. This is despite all the tricks others have used; turn off/on BT on phone and watch. Remove watch from phone BT list, resetting watch to factory settings, updating watch via Garmin Express, etc....
Hope this is just a short term S/W compatibility issue which will b resolved quickly with an update. Not happy at having spent 100s of £s on a watch that can not even connect via BT, which even my cheap headphones do without any issues!
An urgent response from Garmin would b appreciated, as the alternative is to return the watch and choose another brand!