The best T-Mobile deals of March 2026: FREE Galaxy S26 Ultra, home internet savings, and more

Family Freedom: switch to T-Mobile and get $800 per line to ditch your current phone plan

The Family Freedom deal gives you up to $3,200 in the form of a prepaid MasterCard to ditch your current phone plan and switch to T-Mobile with up to four lines. You'll also get up to four free phones and unlimited talk, text, and data for only $100/month ($25 per line).

5G Home Internet: Get a free month and up to $300 back with select plans

Sign up for T-Mobile's 5G Home Internet and you'll get a free a prepaid Mastercard worth up to $300 (depending on the plan you choose).

Samsung Galaxy S26 Ultra 256GB: $1,399.99 FREE with Experience Beyond plan at T-Mobile

The Galaxy S26 lineup doesn't officially hit store shelves until March 11th, but you can already grab the S26 Ultra for FREE by adding a line with the Experience Beyond plan at T-Mobile.

The smaller Galaxy S26 Plus is receiving a similar deal through the carrier, so you can take your pick.

For more deals like these, take a look at my complete guide to the best Galaxy S26 preorder deals on the web.

Motorola Razr Plus (2025) 256GB: $799.99 FREE with eligible unlimited plan at T-Mobile

Add a line with an Experience or Better Value plan at T-Mobile and the Big Three carrier will hook you up with the sleek and versatile Motorola Razr Plus (2025) for completely free. No trade-in required!

Google Pixel 10 128GB: $799.99 FREE with eligible line at T-Mobile

Pick up the Google Pixel 10 and add a line with the Better Value, Experience Beyond, or Experience More plan and T-Mobile will give you enough promo credits to make the phone completely free. Other plans will still land you $600 off the device, so you can take your pick.

Google Pixel 10 Pro 128GB: $999.99 FREE with eligible line at T-Mobile

Just like the base model, you can get the Google Pixel 10 Pro for FREE when you add a line with the Experience More, Experience Beyond, or Better Value plans at T-Mobile.

Samsung Galaxy Z Flip 7 256GB: $1,019.99 FREE with eligible line at T-Mobile

Add a line with the Experience Beyond plan and T-Mobile will hook you up with an innovative Galaxy Z Flip 7 for FREE, no trade-in required.

Samsung Galaxy Z Fold 7 256GB: $1,999.99 Up to $1,300 off with eligible data plan, trade-in at T-Mobile

The Galaxy Z Fold 7 is easily one of the best foldable phones ever built, but you can still score up to $1,300 off the versatile device by processing a trade-in and adding a line with T-Mobile's Go5G Next or Experience Beyond plan.

Samsung Galaxy Watch 8 40mm: $399.99 FREE with qualifying Watch Plan at T-Mobile

Phones aren't the only thing you can buy at T-Mobile. Buy the Galaxy Watch 8 from the carrier today and you could get it for 100% free if you add a line with an eligible Watch plan.

Moto G Power 5G (2025) 128GB: $210 FREE with most plans at T-Mobile

If you add a line to your T-Mobile service you'll likely be eligible to receive a FREE Moto G Power 5G (2025), regardless of the data plan you pick.

Samsung Galaxy Tab A9 Plus 64GB: $276 FREE with eligible tablet line at T-Mobile

Add a qualified tablet line and you'll get enough promo credits to make the Galaxy Tab A9 Plus, one of our favorite cheap Android tablets, completely free after you pay the $35 activation free.