T-Mobile is offering a buy one, get one free Samsung Galaxy S9, S9+ or Note 8 offer!

Only for Costco members

Link to Details and Terms

Step 1
Go to your local Costco

Step 2
Purchase two Samsung Galaxy S9, S9+, or Note8

Step 3
Add a new line of voice service on any rate plan to an existing account or activate 2 new lines of qualifying service during the promo period

Step 4
Go to T-Mobile and fill out the info to get your $680 rebate
- Promotional Code is C18SAMB1G1

Step 5
Your $680 rebate will arrive within 8 weeks
- Rebate Tracker