Camera is offline

Is it necessary for me to buy cloud? I have 2 yi cameras at hine for a while now and all of a sudden both cmeras stop working and it says offline even if my internet connection is fine.i try to reset it but unsucessful.and now i cannot find both cameras in my my yi app.what should i do.should i get. A new one? Please give me advice.Thank U so much

@Louella Welcome to the community! Thanks for joining.

It is not necessary to buy the cloud. That has no impact on your cameras ability to work. Only store recorded video. We recommend, restarting the camera, restarting you home network, and/or deleting/redownloading the app. For some assistance reseting the camera see the link below: