Sync Contacts between iPhones with different Apple IDs
119134
How do I sync contacts between 2 iCloud accounts with iOS 8?
67965
Can I create/edit contact groups in iOS?
45414
Is AirDrop possible between iPad, iPhone and MacBook?
42117
Does deleting an iMessage on a device deletes it in all of the other iCloud synced devices?
28267
App Store asking for other Apple ID when updating apps
90726
Can I store all the content of my previous iPhone in a new iPhone using iTunes?
15129
Is it hard to transfer contacts from one iPhone to another iPhone?
78207
Two developer License under same Apple ID
37774
How to set one Ringtone for Contacts and another for non contacts?
53491
data & synchronization - manually sync mail. calender and contacts
72955
Sending notifications from Mac to iPhone/ iPad/ iPod touch
134875
Migrate Google Authenticator to new iPhone 7
54057
Switch Apple ID
115829
How can I synchronize my two Mac Computers?
41493
How can I sync the new "people" (face recognition) metadata across devices in Photos (iOS 10 and MacOS Sierra)?
59539
How do you add more than one phone number on iMessage?
108228
How do I transfer a single app with data from one iPhone to another?