Overview of the Promotion
T‑Mobile is offering new 5G Home Internet subscribers a free month of service plus a prepaid Mastercard worth up to $300 when the promo code MONTHONUS is entered at checkout.
Plan Options and Rewards
All three 5G Home Internet plans qualify for the free‑month benefit. The Mastercard amount varies by plan:
- Rely – $100 Mastercard (credited within 14 weeks)
- Amplified – $200 Mastercard
- All‑In – $300 Mastercard
Bundling Savings
Pairing 5G Home Internet with a T‑Mobile unlimited phone plan unlocks additional monthly discounts:
- Customers 55+ can reduce the internet price to as low as $30/month when bundled with any 55+ phone plan.
- Customers under 55 can bundle the Rely plan with any voice plan to pay $35/month before taxes and fees.
How to Claim the Offer
Follow these steps to secure the free month and Mastercard reward:
- Visit the T‑Mobile 5G Home Internet sign‑up page.
- Select your preferred plan (Rely, Amplified, or All‑In).
- Enter promo code MONTHONUS at checkout.
- Complete the purchase and set up your service.
- The free month is applied immediately; the Mastercard balance is credited according to your plan.