424      iPhone_iPad_Mac_apple

i’m unable to use my apple id for apps an...

Well, you have not given us any clues about what happens when you try.  So here are a few guesses:

• Perhaps your iPhone is restricted.  Check Settings > General > Restrictions
• Perhaps you have not fully set up your Apple ID - including a credit card
• Perhaps your Apple ID is disabled
• Perhaps you have changed countries

最後更新：2017-11-18 18:44:50

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