iPhone 12 5G can download iOS updates over 5G; you might need to manually enable it to work

will be able to download entire iOS updates via their 5G connections, , but for some, this option won’t be on by default and you will have to manually enable it for it to work. 

At the moment, on the iPhone 12 series provides data settings to make it easier for you to set your preferences about network connectivity. First off, you have the option to go all-5G, all-LTE, and to activate the Smart Data mode, which will automatically decide when you need the 5G speeds, and if not, it will drop to LTE in order to save some .

Additionally, gives you three data settings for 5G: …
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