Apple has an official warning for older iPhone and iPad users
A new Apple official warning has come for older devices like iPhone 5 and iPad 4 and earlier models. Users need to update the software to the latest available version before November 3. For some of these devices, it will be iOS 9.3.6, for others iOS 10.3.4, based on the age. Any device not updated before the November 3 deadline will have GPS location issues, potential problems with accurate date and time.