Garmin Connect on my iPhone 6s just asked me to re-enter login details and then setup the app and my Forerunner 245 again. This has occurred between 4-10 times. It's a PITA as typing e-mail and 'secure' password is fiddly and time-consuming. It reminds me of the poor QA I used to see when I cycled a lot and used the Edge range of cycling computers. It's a poor show. I imagine any fitness-oriented IT guy would relish interviewing someone with Garmin on their CV!