Upgrading Phone from iPhone 6S to iPhone X

[FastCarGuy]

If I buy a used iPhone X can I transfer the SIM card from my iPhone 6S then begin using the iPhone X or do I have to contact Telus?

Will changing my hardware force me to change rate packages?

Thanks

[Nighthawk · Accepted solution]

As long as the phone isn't carrier locked, you should be able to simply move the SIM. It will not affect your rates.

[FastCarGuy]

Thank you for the quick response