1. Log in to T-Mobile.com or the T-Mobile app.
2. Go to the Manage Add-Ons page.
   • T-Mobile app: Select Account, Plan & Usage Details, Manage Data and Add-ons. 
   • T-Mobile.com: 
     • Under the I want to box, select the Manage add-ons link.
     • Select Account, then select Manage Add-ons.
3. Select the line that you want to redeem Google One for. 
4. At Cloud storage & backup, select the checkbox next to the Google One subscription you want to add.
5. Select Continue.
6. On the Review your order page, select Agree & Submit.
7. Select the checkbox to agree to the Terms & Conditions and then select Activate Google One when the “You’re almost done” page loads.
8. Select Activate Google One when the “You’re almost done” page loads. If you're in the T-Mobile app, you may be taken to the browser and asked to log in to your T-Mobile.com account again to continue the redemption process.
9. Enter your Google account email address into the field that appears (you can use Forgot email? if you forget it) and select Next.
   • If you don't have a Google account, select Create account and follow the steps to create a Google account.
     
   • If you are already logged in to the Google account you want to use, you'll get the option to use that account for the redemption or choose a different account.
   • If you have a Google account cached in your browser, you'll get the option to use that account for the redemption and can log in with that account.
   • If you already have a Google One account, you will get an error. You must cancel your current Google One account to continue.
10. Enter your password and select Next. 
    
11. Select the checkbox to allow T-Mobile to access your subscription and then select Continue.
    1. If you have an existing Google One subscription (purchased outside from T-Mobile) you'll receive a message prompting to update your Google One plan.
    2. Select Allow Google to cancel your existing Google One plan 
    3. Return to T-Mobile to activate your new Google One plan
    4. Select the checkbox to agree to the Terms & Conditions and then select Activate Google One. 
    5. Select Continue on the sign in with Google.
12. On the “Thank you for signing up” page, select the appropriate link to download the Google One app to take full advantage of backing up your mobile device data.

If you had Google One added to your account from a retail location, or by calling customer care, a Google One redemption text message or email is sent immediately after Google One is added to your account so you can activate your service.

1. Select the link (https://t-mo.co/GoogleOne) and log in to T-Mobile.com using your T-Mobile ID.
2. Select the checkbox to agree to the Terms & Conditions, then select Activate Google One when the “You’re almost done” page loads.
3. Enter your Google account email address (you can use "Forgot email?" if you forget it) and select Next.
   • If you don't have a Google account, select Create account and follow the steps to create a Google account.
   • If you are already logged in to the Google account you want to use, you'll get the option to use that account for the redemption or choose a different account.
   • If you have a Google account cached in your browser, you'll get the option to use that account for the redemption and can log in with that account.
   • If you already have a Google One account, you will get an error. You must cancel your current Google One account to continue.
4. Enter your password (you can use "Forgot password?" if you forget it) and select Next.
5. Select the checkbox to allow T-Mobile to access your subscription and then select Continue.
   1. If you have an existing Google One subscription (purchased outside from T-Mobile), you'll receive a message prompting to update your Google One plan.
   2. Select Allow Google to cancel your existing Google One plan 
   3. Return to T-Mobile to activate your new Google One plan
   4. Select the checkbox to agree to the Terms & Conditions and then select Activate Google One. 
   5. Select Continue on the Sign in with Google page.
6. On the “Thank you for signing up” page, select the appropriate link to download the Google One app to take full advantage of backing up your mobile device data.

Phone, chat and email are available at https://one.google.com/about/support as well as via the Google One app.

• Google One app service troubleshooting (access issues, missing data, sync issues, etc.)
• Google account issues/ recovery
• Google product questions (i.e., Calendar, Gmail) on iOS and Android
  
• General Google questions

Contact T-Mobile​ if you need help with:

• Adding or removing Google One.
• T-Mobile plan, billing, & account management 
• Basic network or hardware troubleshooting

• If you cancel your T-Mobile account, you will immediately lose your Google One membership. T-Mobile will no longer be your Google One method of payment and you will need to subscribe to Google One directly to continue your membership.
• Log in to the T-Mobile App, T-Mobile.com or contact T-Mobile to remove Google One from your account.
  1. Log in to T-Mobile.com or the T-Mobile app.
  2. Go to the Manage Add-Ons page:
     • T-Mobile app: Select Account, Plan & Usage Details, Manage Data and Add-ons. 
     • T-Mobile.com:
       • Under the I want to box, select Manage add-ons.
       • Select Account, then select Manage Add-ons.
  3. Deselect the Google One feature and select Continue.
  4. On the Review your order page, select Agree & submit.