The free DIGITS app for Android and iOS allows you to use your DIGITS on multiple Android and iOS devices.

• Download DIGITS app for iOS or DIGITS app for Android to ensure you have the latest updates!
• DIGITS app data usage counts toward your Domestic data roaming allotments allotment.
• After the allotment is used, the app will not work until you return to T-Mobile coverage.
• The DIGITS app is free to all postpaid customers.

The DIGITS app requires:

Android 8.0/iOS 13 or later and a data connection

2mbps upload & download data speed

Location services enabled and permission granted to the DIGITS app

LineLink users must have a LineLink with DIGITS plan

Business accounts must have fewer than 12 lines

To access multiple lines, the lines must be linked through the DIGITS Portal or via Line Permissions settings in the DIGITS app.

The DIGITS web client allows you to use DIGITS on a computer.

• Access DIGITS via the web using Chrome or EDGE browsers.
• The DIGITS web client is free to all postpaid customers. 

The DIGITS web client requires:

Chrome or EDGE web browser

LineLink users must have the LineLink with DIGITS plan

Business accounts must have fewer than 12 lines for the DIGITS

Android app: The app will ask for multiple permissions, these can be skipped and the app will open, however, the permissions must be accepted for the app to function correctly. A pop-up will appear for the needed permissions and must be accepted for the app to function.

1. Make sure you are around your T-Mobile phone when you are ready to log in to the DIGITS app.
2. Open the DIGITS app.
3. Login using your T-Mobile ID. If you don't have a T-Mobile ID, learn how to get one.
   • New T-Mobile IDs cannot sign into DIGITS until 24 hours have passed, or recently changed security questions within 24 hours.
4. Complete 2-factor authentication. To verify your identity, T-Mobile will send a text to your phone number.
   • Or, if you have set up security questions on T-Mobile.com/profile, you can answer security questions rather than receiving a text to your T-Mobile phone.
5. If this is the first time using the app, agree to the Permissions requests.
6. The application will run through several automatic configuration screens.
7. Select to turn the desired DIGITS On, then choose Continue.

1. Make sure you are around your T-Mobile phone when you are ready to log in on your computer.
2. In a web browser, navigate to https://digits.T-Mobile.com and choose Log In. You can also download a PC or Mac client app to use DIGITS.
3. Sign in with your T-Mobile ID and password. If you don't have a T-Mobile ID, learn how to get one.
   • New T-Mobile IDs cannot sign into DIGITS until 24 hours have passed, or recently changed security questions within 24 hours.
4. Complete the 2-factor authentication prompts to verify your identity through your preferred method, like a text or email message.
5. If prompted, select Agree and continue to agree to the terms and conditions.
6. Choose which DIGITS you wish to use and confirm your e911 address if prompted, then select Register.
7. If prompted to let DIGITS access your location, select allow. You can't use DIGITS if you block your location.

1. In the DIGITS app, select Settings.
2. Choose Advanced > Line permissions and select the line you’d like to manage.
3. Choose Share this line (line on the same account) or Share with someone else (line on a different account) and choose who you’d like to share this line with or enter the correct info.

1. Go to DIGITS.t-mobile.com.  
2. Sign in with the Primary Account Holder's T-Mobile ID.
3. On the Unassigned Lines tab, choose the line that you wish to grant a user access to.
4. Choose Add me to this line to provide your T-Mobile ID with access to the line.
5. Choose Share this line with someone else to provide another user access to the line.
   • If the new user is not a T-Mobile customer, you can still grant them access to the line by entering their email.
   • The user will receive an email with steps and a link to create a T-Mobile ID to access that line only.

1. In the DIGITS app, select Settings.
2. Choose Advanced > Line permissions and select the line you’d like to manage.
3. Choose Edit > Delete.

1. Go to DIGITS.t-mobile.com.
2. Sign in with your T-Mobile ID.
3. Choose the line that you wish to remove user access from.
4. Hover over the email address you wish to remove access for, and select the Remove Line button.
5. If you wish to remove your access for a line on DIGITS, you can select the Remove myself option.
6. You can also select Manage signed in devices to sign out of any devices signed in with your T-Mobile ID.

1. Log into T-Mobile.com.
2. Select Profile.
3. Select Multiple Devices.
4. Toggle the "Multiple Device status" switch to the OFF setting.
5. To prevent a user from having the ability to turn MDS back on, update their T-Mobile permissions to Restricted Access.

1. In the DIGITS app, open the Menu.
2. Choose Add a Digits line. Only the Primary Account Holder can use the DIGITS app to purchase new DIGITS lines.

1. In the DIGITS app, select Settings and navigate to the Network Settings section:
   • iOS: Select Advanced options > Network settings.
   • Android: Choose the Menu icon with three lines, then select Advanced options > Network settings.
2. If you are on Wi-Fi or another carrier's network, you must complete another SMS confirmation in order to use your T-Mobile minutes.
   1. You can choose to skip this step. This will open your DIGITS app in "Data only mode," meaning your calls will use your device's data or Wi-Fi rather than your T-Mobile plan's minutes.
   2. Enter the phone number of the device you are using the app on and select Next. For example, if using a Verizon phone, enter the Verizon phone number.
   3. Enter the six-digit code you received via SMS and select Next.
3. Choose from the following:
   • Cellular only: All your calls will use minutes from your primary line and all messages will use data.
   • Cellular fallback: Your primary line will continue to work normally. All other lines will use data over LTE, 4G, or Wi-Fi.

1. In the DIGITS app, select Settings.
   • Android: Choose the menu icon.
   • iOS: Choose the Settings icon in the navigation bar.
2. Choose the desired DIGITS line to view and edit the following settings:
   • Line name
   • e911 address
   • Voicemail greeting
   • Ringtone (must be in Cellular fallback mode)

Set up the Do Not Disturb feature to send calls directly to voicemail or avoid notifications for text messages and voicemails.

1. In the DIGITS app, select Settings.
   • Android: Choose the menu icon.
   • iOS: Choose the Settings icon in the navigation bar.
2. Choose the desired DIGITS line.
3. Under Line settings, select Do not disturb.
4. Move the slider to enable do not disturb for the desired line. All notifications will stop.

Set up the Do Not Disturb feature to send calls directly to voicemail or avoid notifications for text messages and voicemails.

1. Choose the Menu icon with three lines
   
2. Select the slider to enable Do not disturb to send calls directly to voicemail. This also prevents text and voicemail notifications.
3. To disable/enable certain line notifications, select Notifications, then select an option: 
   • All notifications: Stop all line notifications
   • Receive notifications
     • Calls: stops new call notifications
     • Voicemails: stops new voicemail notifications
     • Messages: stops new message notifications
   • Alert notifications
     • Calls: stops sound for new call notifications
     • Voicemails: stops sound for new voicemail notification.
     • Messages: stops sound for new message notifications

1. In the DIGITS app, select Settings.
2. Choose Advanced options > Device Management.
3. Select the removal icon next to the device you'd like to remotely log out.

If you're using the DIGITS app on a device with an active SIM/eSIM, you can't use the app to turn that line on or off. Use the web client instead.

1. In the DIGITS app, select Settings.
   • Android: Choose the menu icon.
   • iOS: Choose the Settings icon in the navigation bar.
2. Choose the desired DIGITS.
3. Choose the switch next to Line State to turn on or off. When a line is enabled/disabled, the primary line will receive a notification of the change.

1. Choose the Menu icon with three lines.
2. Select Lines and choose one of the available lines.
3. Select the switch next to Register line to turn it on or off.

Syncing new contacts with the DIGITS server is no longer supported. Existing contacts thathave been synced are still accessible in the DIGITS app and Web Client.

Contact linking for Google and Microsoft accounts will be available in the DIGITS app soon.

Follow the steps below to link contacts in the DIGITS Web Client

1. Open the DIGITS Web Client
2. Choose the triple line menu, then select Contacts.
3. Choose Add a Google Account or Add a Microsoft Account
4. Follow the prompts to log-in and link the account.

To enhance the calling experience, the Cellular Fallback feature allows DIGITS calls to be converted from data to a cellular call to help with missed call concerns (due to delayed/undelivered issues). This is a great option if you get frequent missed calls.

• If a call is not reaching the DIGITS app, the call is converted and appears in the Phone dialer instead of the DIGITS app.
• Availability for Android (DIGITS App version 2.7.0 and above).

1. From the device settings, enable ‘Appear on top / Overlay’:
   1. From the device settings, select Apps > DIGITS.
   2. Choose Appear on top or Overlay, then select the Allow permission toggle to turn on. 
2. From the DIGITS app, select Settings > Advanced Options > Network Settings.
3. Choose the Cellular fallback toggle to enable.
4. Enter the phone number associated with the device (not the DIGITS number) in the popup that appears. A SMS message is sent to the customer’s device.
   
5. Enter the PIN sent to the device in the popup that appears. Cellular fallback will be enabled when the PIN is correctly entered.

To enhance the calling experience, the Cellular Fallback feature allows DIGITS calls to be converted from data to a cellular call to help with missed call concerns (due to delayed/undelivered issues). This is a great option if you get frequent missed calls.

• If a call is not reaching the DIGITS app, the call is converted and appears in the Phone dialer instead of the DIGITS app.
• Availability for iOS (DIGITS App version 2.7.2 and above).

1. From the DIGITS app, select the Settings icon.
2. Choose Advanced Options, then select Network Settings.
3. Choose the Cellular fallback option to enable.
4. Optional steps – you’ll be asked to enter phone number only when DIGITS app fails to read native device line number:
   1. Enter the phone number associated with the device (not the DIGITS number) in the popup. A text message is sent to your device.
   2. Enter the PIN sent to the device in the popup that appears. Cellular fallback will be enabled when the PIN is correctly entered.

1. In the DIGITS app, select the Dial Pad.
2. Select which number you want to place a call from in the drop-down at the top of the screen.
3. Dial the number and select Call.
4. If in Cellular only mode: A popup appears with a random 413 number to dial. Press Call to continue the call and you will be connected to the original number you dialed. To stop this pop-up, switch the Network Settings to Cellular Fallback.
5. (Android only) To display caller ID in "Cellular only" mode, choose Settings > Apps > DIGITS > "Advanced" tab, and then select Appear on top: Allow permission.

1. In the DIGITS web client, select Calls.
2. Select NEW CALL.
3. Enter the contact name or number. Alternatively, select the number pad icon at the bottom to manually dial the number.
4. In the From: field, choose the DIGITS you want to make the call with.
5. Choose the magenta Call button.

1. Initiate a new call to the first contact.
2. Select Add to Call in the middle, the first call will automatically be placed on hold
3. Enter the desired contact name or phone number, then select the magenta Call button.
4. Once the call is connected, select Merge Call.
   

1. In the DIGITS app, select Contacts..
2. Use the search bar or the alphabet navigation to search your contacts.
3. Select which contact you want to call. This will pull up that contact's details.
4. Select which number you would like to call.
5. If you are using multiple lines, select which line you would like to place the call from.

1. In the DIGITS Web client, select Contacts in the upper middle of the page.
2. Select All contacts or the specific contact list you wish to view in the drop-down.
3. Use the search bar or scroll down to the desired contact.
4. Select the contact you want to call or message to pull up the contact details.
5. Select the number to call or message.
6. If using multiple lines, select the line to place the call or message from.
   

1. In the DIGITS app, select Messaging.
2. Use the drop-down at the top of the screen if you want to only view messages for one of your lines.
3. Choose the New Message circle.
4. If you are using multiple lines: Use the top drop-down menu to select which line you want to use.
5. Use the keypad to enter a recipient or multiple recipients. You can use numbers or letters.
6. Choose Next.
7. Start typing your message.
8. Attach any media files using the paper clip icon.
9. Choose the arrow to send.

1. In the DIGITS app, select Messaging.
2. Use the drop-down at the top of the screen if you want to only view messages for one of your lines.
3. Choose the New Message icon.
4. If you are using multiple lines: Use the top drop-down menu to select which line you want to use.
5. Choose the To: line.
6. Use the keypad to enter a recipient or multiple recipients. You can use numbers or letters.
7. Choose Done on your keypad.
8. Start typing your message.
9. Attach media files using the photo or paper clip icons.
10. Choose the arrow to send.

1. Select Messages in the upper-middle of the web page.
2. Select New Message.
3. Enter the desired contact name or phone number in the To field.
4. In the From line, choose the DIGITS line you want to send the message from.
5. Type your message in the Enter Message field. Add extras if necessary:
   • Select the paper clip icon to add a picture 
   • Add an emoji using the face icon.
   • Add an audio message using the microphone icon.
   • Choose Send (paper airplane).

1. From the DIGITS app, select Calls on the navigation bar.
2. Choose Voicemail.
3. Choose the voicemail message you would like to listen to.
4. To delete a voicemail, swipe the voicemail.
5. To view voicemail only for a specific DIGITS line, use the drop-down menu at the top of the screen.

Change voicemail greeting (Android only)

1. Choose the Menu icon with three lines.
2. Select the desired DIGITS line and choose Voicemail greeting.
3. Choose Personal greeting to set up your custom voicemail greeting.

1. From the DIGITS web client, select the Voicemail tab in the upper middle of the screen.
2. Choose the desired voicemail.
3. Once selected, download the voicemail, delete, call, or message the number by selecting the icon with three circles.
4. Alternatively, select on the picture icon to delete a voicemail, then select the trash can icon at the top.
   

During a call, choose Transfer Call > Switch device. The device you're switching to must have the line you're calling from turned on.

1. Choose Settings.
   • Android: Choose the menu icon.
   • iOS: Choose the Settings icon in the navigation bar.
2. Choose Sign out.
3. Choose Sign out again to confirm.

1. Select the Settings gear.
2. Choose Sign out.

1. Choose Settings.
   • Android: Choose the menu icon.
   • iOS: Choose the Settings icon in the navigation bar.
2. Choose Help.
3. Choose Feedback.

1. Select Got Feedback?
2. Fill out the requested information, then choose Submit.