A:Answer Hi SPOOCKS15!
Thank you for reaching out to us. We appreciate your interest in knowing if Galaxy A71 5G (Sprint) works with Comcast. We apologize; this phone model is Sprint locked. We recommend calling Sprint customer service for an unlock request.
For your reference, an unlocked phone works on multiple networks, and make sure that you have a compatible SIM card. SIM cards must be compatible with the area's available networks.
You may visit our website for more information about unlocked phones: https://www.samsung.com/us/mobile/phones/unlocked-by-samsung/.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Reference #: 1144287339
Have a great day.
Melardo