I phone 17 pro max

[Malc2709]

I've just swapped from iPhone 12 to 17 pro max SIM card put in new phone and it's not working any ideas?

[caesarome]

@Malc2709 

Try sending the network settings to the phone:

Go to sky.com/networksettings (My Account > Mobile > Settings) and sign in with your Sky iD.
Select the mobile number or SIM name you're having trouble with.
Scroll to 'Resend network settings' and select Request settings.
Save the settings when your receive them and reboot your phone.

[Malc2709]

Still having problems with SIM card, in setting it doesn't mobile data settings but shows cellular 

[caesarome]

I have moved your post to the topic you created earlier so what happens when you try what I suggested ?

[Malc2709]

Nothing changed but it shows cellular in settings not mobile