Question: how to transfer all contacts and apps to new iphone?
Answer: Step 1: Back up. ...  Step 2: Turn on your new iPhone. ...  Step 3: Restore from iCloud/iTunes backup. ...  Step 4: Wait while your data is restored. ...  Step 1: Enable iCloud on your old iPhone. ...  Step 2: Enable iCloud on your new iPhone and sync data. ...  Step 3: Download purchased apps.