use it for an aircraft GPS receiver when we use our iPad, works perfect

Great product to support my iPad

This little device made my IPAD mini 3 wifi work perfectly with foreflight, and several other offline navigation programs

The files are not lost as long as you have access to an iOS device (I was able to email them to myself).This also happened several weeks earlier, when it hit "80% memory remaining"; it's taking me a while to learn that "80%" means "0%" in Bad-Elf-speak.