1, connect ipad and computer with usb cable, and then let iphone6 go first.
Plus sign for synchronization
2. Check whether the itunes account is authorized for this computer. If not, please follow the steps below.
1) In the top menu bar of itunes, find "store" and select "Authorize this computer" in the drop-down menu box.
2) Enter the itunes account and password to authorize the computer.
3. In the top menu bar of itunes, find "Edit" and select "Preferences" in the drop-down menu box.
In the pop-up window, find "Parents" and select "Disable -itunes".
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And check "Allow itunes".
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Click itunes in itunes.
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Will automatically jump to itunes.
U, this is because of our settings.
4. Select your 6plus and click "Sync" to synchronize.
5. In the top menu bar of itunes, find "Edit" and select "Preferences" in the drop-down menu box.
In the pop-up window, find Parents and uncheck Disable -itunes.
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, and then click OK.
6. After forced synchronization, the app can be opened smoothly on 6plus.
Shops.