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429 Too Many Requests

What do I do if it says cellular update failed and it still won’t update when plugged into my laptop

5 replies

Which version of iTunes do you have on your laptop? You need to have at least 12.9.4 and you need to Restore your iPhone.

Try resetting the phone and then try the update again.


Barry

What do you mean by resetting and how do I do a factory reset

What do you mean by restore