Blue tooth & wifi not working.

Hi NivekEwol,

welcome to the Apple (user-to-user) Community.

Re: wifi & blue tooth stopped working on my iphone 12.

Both are greyed out

You might want to try re-starting your iPhone:

(ie: will sometimes restore the connection, and put things back in order):

How to: Restart your iPhone

Also: About iOS 16 Updates - Apple Support says 16.5 is now the latest.

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If help is still needed:

What to do: If your iPhone or iPad won't connect to a Wi-Fi network

What to do: If you can't connect a Bluetooth accessory to your iPhone or iPad - Apple Support

More support if needed:

You may want to reach out to the iPhone Support Team:

There is a "Get Support" link (online chat, phone, eMail etc., or a support app, if you wish to download it) at the bottom of their website:

iPhone - Official Apple Support

All the best :-)

Thank you for your reply, and for letting us know: (Good plan!)