Determining the "best" Best Buy phone service plan depends on whether you prefer a major carrier with a contract or a budget-friendly prepaid option. Best Buy acts as a third-party retailer for several major providers, often offering exclusive in-store deals and "Bring Your Own Device" (BYOD) promotions.
You can sign up for or upgrade plans from Verizon and AT&T . These often come with device installment billing, allowing you to pay for a phone like the iPhone 17 or Samsung Galaxy S26 over time.
Provides unlimited 5G data plans starting around $30–$35/month .
Offers multi-month bundles, such as 20GB/month for 3 months for approximately $75.