I just put the HTML file in my DropBox and then opened it in my iOS DropBox app and then touch the ThreeDots and MakeAvailableOffline. It then opens thru the DB app while I am in airplane/offline or outside cell coverage.
I just put the HTML file in my DropBox and then opened it in my iOS DropBox app and then touch the ThreeDots and MakeAvailableOffline. It then opens thru the DB app while I am in airplane/offline or outside cell coverage.