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Sonoff Switch Pairs but will not connect to WiFi

After Successful pairing and Renaming the device it does not connect to wifi and Green light keeps blinking, tried to delete and repair but no luck.

One device is connecting and another - Does not.... :( 


24 people have this problem

I have used a number of the WiFi (not Z Wave) products from https://coolcam.aliexpress.com/store/1196544  I notice that these do roam happily between by UniFi APs and were fine when I reconfigured my network.  I have some light switches on order too now.


Just for clarity I have no connection to the company 

I have exactly the same problem connecting to the wifi. I have 10 devices installed and just 1 with the error. In Addition it is turning on and off the lights every 5 -10 minutes.


Please help!!!!!!!!

I'm using sonoff t1 uk devices... 

Hi guys... no solution?

If you can remove the devices from the app using your original WAP it is easy to move them. If not try a different WAP, SSID and channel. Eventually it should work. If not weigh up your time against purchase price

1. Delete all sonoff  devices from ewelink application.

2. Uninstall ewelink.

3. re-install ewelink from google play

4. register new account and new password

5. add sonoff devices

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