Welcome to the community
Thanks for posting your question with us.
You can log into Your Account and under the tab overview you should see the name of your device. Next to this it will show the expiry date of the contract.
If you are close to the date your contract ends you may have an option to upgrade under the Extra's tab.
Let us know how it goes
The do's and don'ts. Keep the community welcoming for all. Follow the house rules