unable to install update an error occurred istalling 17.0.2

saidurrahmanpalas Said:

"unable to install update an error occurred istalling 17.0.2 iPhone 12pro max"

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Update Using a Computer:

Updating an iPhone 12 Pro Max:

When it comes to updating an iPhone, aside from WiFi or a Computer, your only other option is to use Cellular. So, try update using Cellular. If of not success, try this once more, this time using a computer...

See my User Tips:

• Update your iPhone Using a Computer - User Tip
• Use an iPhone 12 or later, that is using 5G, in order to update over Cellular - User Tip