Remember to turn off Smart setup and also be advised you can't split the wifi SSIDs with the SH2.
If you had a calling plan you better check what it has been changed to as they are now different.
Don't need calling plan as I think I've used the landline once in 5 years and that was only to find my mobile 😂... Plugged a phone in when we moved in and unplugged it within 2 days due to all the telesales calls. Literally getting 10-15 a day