iOS 11.3 includes Messages in iCloud, What that means? A brief hands-on look at ios 11.3beta 1 probably the biggest changes in iOS 11.3 is the iMessages in iCloud by default. Messages will prompt users to tun on messages in icloud on the first launch after updating do ios11.3. The Messages in icloud is automatically enabled for users who also have two factor-authentication and icloud backup enabled.
iCloud Messages Returns to iOS in iOS 11.3 beta 1
iOS 11.3 includes Messages in iCloud
More security updates on iOS111.3 for a locked device to communicate with USB accessories you must either connect an accessory via the lightning connector to the device while unlocked or enter your device passcode while connected, at least once a week.
If you ise iAP USB accessories over the lightning connector, including assistive devices and wired carplay and MAC/PC you may, therefore, need to periodically enter your passcode if you have a passcode set on your iphone , ipad and ipod.