My wife has been using the Libre 1 for a few years now. She just received the Libre 3 and started using it last night. Everything went fine until about 9am this morning. The readings went crazy. Within about a minute she went from 119 to almost 300. Then about 30 seconds later it went to 120. 30 seconds later 200. About 2 minutes later she got a low alarm that she was at 80. We called support and they said it was a bad sensor. We changed it and the new one is doing the same thing. We are using an Android Samsung Galaxy S10+. Can anyone tell me what is going on? Thanks