I have this issue too. I've had this scale for years (working without issue) and it stopped connecting to WiFi in November. Nothing I've tried has worked. I tried the DNSMasq suggestion from someone's post but it accomplished nothing. I'm running a router with Tomato on it and when I added the DNSMasq, it didn't change the IP that clock.garmin.com was searching for. I'm sure I did somethign wrong there, but I can't figure out what.
Anyone have any help on this?
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Please definitely try the option of using a hotspot on your phone. please make the hotspot configuration = simple and quick to implement.
example temporary config:
SSID = Guest
enable SSID broadcast
Wifi security = WPA2
Password = password123
(note: you can reset your phones hotspot as complex as you want after the issue is resolved)
Now turn on your phones hotspot, open Garmin Connect on your phone, access Garmin devices, select Index Smart Scale, select Device Settings, select Wi-Fi Networks.
you should see l your phones hotspot listed, select it and enter the password you used. once you have the green check mark you merely need to back out of that configuration page to the main Garmin Connect dashboard.
watch the screen on your scalp and it should quickly cycle to a check mark and then return to standby.
now that it has a successful wifi to your temporary hotspot configuration your can change the wifi settings again to your home's wifi and this time it should work.
I'll say this was a very frustrating time for me and I considered replacing it, but I'm glad to say I resolved my issue with the process outlined above~
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Anyway, this reference to adjusting clocks is really a potential workaround for several.
Any of you may have an issue depending on your firewall ruleset; if by chance you block traffic at your FW for anything destined to Singapore your Garmin Index Scale will NOT connect to WiFi completely. The Garmin Connect app will state it has completed the setup of your device; when you back out of the WiFi settings menu to the Garmin Connect dashboard your Garmin Index Scale will flash the WiFi icon and the wrench icon will remain constant.
I merely unblocked traffic to Singapore in my router and this resolved my issue.