FAQ- Sonoff Product
No. Sonoff product can only work with 2.4G, and this is because the chips(ESP8266/ESP8285) we use for the products can't support 5G network.
Mon, 15 Oct, 2018 at 5:50 PM
Flashing 3rd party through OTA is not supported officially. It was a bug instead of a feature before firmware v1.6, and the bug was fix since firmware v2.0....
Tue, 6 Nov, 2018 at 2:44 PM
As the firmware upgrade relies on the network connection between the device and your selected network, please try a few more times when it fails the first ...
Tue, 16 Oct, 2018 at 6:33 PM