keeping notes, photos and messages in sync between iphone and ipad

For texts there's also a separate Messages in iCloud switch (Settings > your name > iCloud > Show All > Messages). Without it, new messages show up on both but the old history doesn't come across. And if iCloud storage is full, syncing just stops without much warning. Check that bar first.

Both need to be signed in to the same Apple ID first, that's the whole thing really. Then on each one go to Settings > your name > iCloud and switch on Photos, Notes and Messages. Two things that trip people up: - notes saved under On My iPhone don't sync at all. Open Notes, go back to the folder list and move them into the iCloud folders - for texts, check Settings > Messages > Send & Receive on the iPad and make sure your phone number is ticked, otherwise only iMessages to your email show up there Photos can take a good while the first time if the library is big, leave both on Wi-Fi and charging overnight.