Using without Internet connection is not a supported feature.
One session can be recorded in place where is no Internet connection with following steps.
Create session and pair sensors in place where is connection.
Record all Sets in same Session.
Don’t come out from the Session before you are in place where you have Internet connection.
When you have Internet connection, press back arrow in Phone SW. When SW says that you don’t have Internet connection Press retry and Sets will be transferred to WEB.
Order of Sets may not be correct. It depends on order phone sends Sets.