Best Xfinity Mobile Deals: Affordable Plans and Exclusive Offers in 2025
Xfinity Mobile operates as a subsidiary of Comcast, leveraging Verizon’s nationwide network to provide reliable coverage across the United States. The service is available exclusively to Xfinity Internet customers, making it an attractive option for those already subscribed to Xfinity’s home internet services. Xfinity Mobile offers a mix of unlimited and flexible data plans, along with discounts on devices and perks like free international calling to select countries.
Xfinity Mobile Plan Options
Xfinity Mobile provides three primary plan options:

Unlimited Plans
The Unlimited plan is ideal for heavy data users who stream videos, play online games, or use data-intensive applications frequently. As of March 2025, the Unlimited plan starts at $45 per line for one line, with discounts available for additional lines. Key features include:
- Unlimited high-speed data (with deprioritization after 20GB)
- Free mobile hotspot usage (up to 600MB per month)
- HD video streaming
- Free international calls to Mexico and Canada
By the Gig Plans
The By the Gig plan is a flexible option for light data users who prefer paying only for the data they consume. Priced at $15 per GB, this plan allows users to share data across multiple lines. Features include:
- Pay only for the data used (rounded up to the nearest GB)
- Free calls and texts
- No overage charges
- Ideal for users with reliable Wi-Fi access
Shared Data Plans
Shared Data plans are designed for families or groups who want to pool their data usage. These plans start at $30 for 1GB and go up to $60 for 10GB, with additional lines costing $10 each. Benefits include:
- Shared data pool for all lines
- Flexibility to adjust data allowances monthly
- Cost-effective for families with varying data needs
Device Deals and Promotions
Xfinity Mobile frequently offers promotions on smartphones, including discounts for new customers, trade-in deals, and financing options. As of March 2025, some of the notable device deals include:
- Up to $500 off select smartphones with trade-in
- Free iPhone SE with eligible trade-in and new line activation
- Discounted Samsung Galaxy S24 with Xfinity Mobile plan
Comparison of Xfinity Mobile Plans
Plan | Price (Starting) | Data Allowance | Best For |
---|---|---|---|
Unlimited | $45/line | Unlimited (20GB high-speed) | Heavy data users |
By the Gig | $15/GB | Pay per GB | Light data users |
Shared Data | $30 (1GB) | 1GB-10GB shared | Families/groups |
Eligibility and Activation
To sign up for Xfinity Mobile, you must be an existing Xfinity Internet customer. Activation can be done online or at an Xfinity store, and bringing your own device (BYOD) is supported for compatible unlocked phones. Xfinity Mobile uses eSIM technology, making it easy to switch devices without a physical SIM card.
References
Xfinity Mobile Official Website
Verizon Wireless
Comcast Official Website