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failed to download ios15.4

Failed to download ios15.4 both on computer and iPhone. WIFI is connected, iTunes is on latest version, and I had checked firewall to make sure it allows iTunes. I also rebooted my phone and PC several times. I even reset my iPhone. However, those methods don't work at all. My system is ios15.3.1 and my phone is iPhone12. Please give me an hand if anyone knows what's wrong.

Posted on Mar 25, 2022 5:27 AM

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Posted on Mar 25, 2022 9:34 AM

Try rebooting your router and device, then try again.


tt2

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failed to download ios15.4

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