Huge difference to iPhones: they're not connected to the open internet for browsing, downloading files, receiving messages or email. (The US Navy also has a su

Huge difference to iPhones: they're not connected to the open internet for browsing, downloading files, receiving messages or email. (The US Navy also has a support contract beyond end-of-life for XP versions, even still as of 2022, for a handful of their own programs on warships, because it's too much expense and delay of recertifying on new PCs. https://www.quora.com/Is-the-U-S-Navy-still-using-Windows-XP https://www.quora.com/Is-the-U-S-Navy-still-using-Windows-XP and other sources.) https://www.quora.com/Is-the-U-S-Navy-still-using-Windows-XP https://www.quora.com/Is-the-U-S-Navy-still-using-Windows-XP )