new iphone 16 pro update ios 18.3.1

Bought a new iPhone 16 Pro today. Requires update to ios 18.3.1 when connecting online. Will not update, - starts with a warning that it will take many hours, and sometimes days. Then it stops and does not go any further.


Anyone with experience and good suggestions?

Posted on Feb 21, 2025 08:38 AM

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Posted on Feb 21, 2025 08:51 AM

Make sure that you are connected to a strong broadband wi-fi and the phone is connected to power so the wi-fi will not go to sleep. It shouldn't really take that long.

4 replies

Feb 21, 2025 09:02 AM in response to emil-andre-os

When you say online, are you just on Wifi on your iPhone or did you connect your iPhone to your computer? If using Wifi, how strong is your Wifi connection? Is the phone plugged in and over 50% in charge? It shouldn't take days or even hours to update, but that be affected by the Wifi strength where you are.


You could if you want, update the phone using your computer with Finder on Mac, or iTunes on Windows.


This link mike help you --> Update your iPhone or iPad - Apple Support


See the links at the top of the support article about how to update with a computer.

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new iphone 16 pro update ios 18.3.1

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