A:AnswerConfigure it as a new device in the VeSync app, then delete the old version. Here’s a YouTube video demo:
https://m.youtube.com/watch?v=1rG1ZtKm51k
A:AnswerThese only work on WiFi with a router, using the 2.4Ghz band and not the 5Ghz band. In other words, they do not connect directly to your phone via hotspot or Bluetooth.