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.... :(
My device had the exact same problem after upgrading my modem/router, and I tried everything suggested here on this forum, wasting 7 hours yesterday. Giving up, I ordered a new device from another manufacturer last night. However, I finally got my old device working this morning, so I joined this forum just to explain. I deleted the device from ewelink app again, but this time I chose the menu option to scan the QR code, which I found on the original box. The app scanned the code, and tried to process it, but failed with "Invalid QR code". I tried this multiple times. I gave up on QR code idea, and simply tried pairing the same way I already did dozens of times yesterday. Unbelievably the device connected normally after paring and registering. Therefore, one of these things made the difference: 1) scanning the QR code somehow reset something on their server? 2) waiting 24 hours before trying again somehow reset something on their server? 3) their server somehow detected that I had ordered a better device and decided to cooperate before I threw their old device in the trash? My story is #3 and I'm sticking to it =-)
The problem is underscores in the ssid, once you remove the underscore you will be able to connect, also do not have spaces in the name, my old ssid was ASUS_88U_2G and i was unable to connect, once changed to ASUS88U2G i connected straight away.