If you subscribed to STARZ through Sprint this page will explain how to cancel your subscription:
From a Computer:
- Go to sprint.com and sign in.
- Click the My Preferences tab.
- Scroll to the Limits and Permissions section.
- Click the Block Apps, Digital Media Downloads & Third-Party Charges link.
- Select STARZ and follow the instructions to cancel.
When you cancel your subscription, you will still have access to STARZ until the end of that billing cycle.
If you have any questions, please reach out to Sprint Support at 1-866-275-1411 or https://www.sprint.com/en/support/contact-us.