I am on an iPad mini. My familysearch.org site just told me to update Firefox. That‘s what I tried to do in following the given link. That link lead me to the apple page to download Firefox. I pushed the download button and assumed it downloaded. But then I miss the install Button. Now I am stuck. My fear is, that your latest update will not work with my IOS-version. And my older iPad is already on its most up-to-date level. Can you help?