Best AT&T Phone Offers and Mobile Plan Promotions in 2025
Mobile plan promotions from AT&T provide customers with cost-effective ways to access high-speed data, unlimited talk and text, and the latest smartphones. In 2025, AT&T continues to lead the market with competitive pricing, exclusive discounts, and flexible contract options. Whether you’re upgrading your device, switching carriers, or adding a new line, AT&T’s promotions cater to a wide range of needs. Below, we break down the latest AT&T phone offers, including plan comparisons, device discounts, and exclusive perks.

Latest AT&T Mobile Plan Promotions
AT&T offers several promotions to attract new customers and retain existing ones. Some of the most notable deals in March 2025 include:
- Trade-in discounts of up to $1,000 on select smartphones when switching to AT&T.
- Waived activation fees for new lines added to eligible unlimited plans.
- Free HBO Max for 12 months with select unlimited plans.
- Family plan discounts, offering up to 25% off additional lines.
- Prepaid plan promotions with unlimited data starting at $50 per month.
Comparing AT&T’s Unlimited Plans
AT&T provides multiple unlimited data plans, each with unique features and pricing. Below is a comparison of the most popular options:
| Plan Name | Monthly Cost (Single Line) | 5G Access | Hotspot Data | Streaming Quality |
|---|---|---|---|---|
| AT&T Unlimited Starter | $65 | Yes | None | SD |
| AT&T Unlimited Extra | $75 | Yes | 15GB | HD |
| AT&T Unlimited Elite | $85 | Yes | 30GB | 4K UHD |
Device Promotions and Trade-In Deals
AT&T frequently offers discounts on the latest smartphones when customers trade in their old devices. For example, in March 2025, customers can receive up to $1,000 off a new iPhone 15 or Samsung Galaxy S24 when trading in an eligible device. These promotions are typically available with a qualifying unlimited plan and require a 36-month installment agreement.
Prepaid vs. Postpaid Plans
AT&T offers both prepaid and postpaid mobile plans, catering to different budgets and usage needs. Prepaid plans are ideal for those who prefer no contracts and lower upfront costs, while postpaid plans often include additional perks like international roaming and premium streaming services. Below is a quick comparison:
- Prepaid Plans: Start at $30/month for 5GB data, with unlimited plans from $50/month.
- Postpaid Plans: Unlimited data plans start at $65/month, with added benefits like hotspot data and premium streaming.
How to Choose the Right AT&T Plan
Selecting the best AT&T phone offer depends on your usage habits, budget, and device preferences. Consider the following factors:
- Data Usage: Heavy users should opt for unlimited plans, while light users may prefer limited-data prepaid options.
- Device Needs: Take advantage of trade-in deals if upgrading to a new smartphone.
- Family Plans: Multi-line discounts can significantly reduce costs for families or groups.
For more details on AT&T’s latest promotions, visit their official website at www.att.com or check authorized retailers like Best Buy and Walmart for exclusive deals.