- [Support](https://www.t-mobile.com/support) - [Get started](#) - [New to T-Mobile?](https://www.t-mobile.com/support/new-to-tmobile) [Switching is easy](https://www.t-mobile.com/support/new-to-tmobile/family-freedom) [Set up your device](https://www.t-mobile.com/support/new-to-tmobile/device) [Using the app](https://www.t-mobile.com/support/plans-features/t-mobile-app) [All get started topics](https://www.t-mobile.com/support/new-to-tmobile) - [Account resources](#) - [Ways to pay your bill](https://www.t-mobile.com/support/account/pay-your-bill) [All about your bill](https://www.t-mobile.com/support/account/whats-impacting-your-bill) [Line permissions](https://www.t-mobile.com/support/account/set-online-permissions) [Your T-Mobile ID](https://www.t-mobile.com/support/account/set-up-and-manage-your-t-mobile-id) [Your PIN/Passcode](https://www.t-mobile.com/support/account/update-your-customer-pinpasscode) [All account resources topics](https://www.t-mobile.com/support/account) - [Network & roaming](#) - [T-Mobile network](https://www.t-mobile.com/support/coverage/t-mobile-network) [In-flight texting and Wi-Fi](https://www.t-mobile.com/support/coverage/t-mobile-in-flight-texting-and-wi-fi) [Wi-Fi Calling](https://www.t-mobile.com/support/coverage/wi-fi-calling-from-t-mobile) [International roaming](https://www.t-mobile.com/support/coverage/international-roaming-services) [Mobile Without Borders](https://www.t-mobile.com/support/coverage/mobile-without-borders) [All network & roaming topics](https://www.t-mobile.com/support/coverage) - [Plans support](#) - [Find the right plan](https://www.t-mobile.com/support/plans-features/find-the-right-plan-for-you) [Netflix on Us](https://www.t-mobile.com/support/plans-features/netflix-on-us) [HotSpot plans](https://www.t-mobile.com/support/plans-features/mobile-internet-plans-for-hotspots) [Voicemail](https://www.t-mobile.com/support/plans-features/voicemail) [Use Mobile HotSpot](https://www.t-mobile.com/support/plans-features/smartphone-mobile-hotspot-wi-fi-sharing--tethering) [All plans support topics](https://www.t-mobile.com/support/plans-features) - [Device assistance](#) - [Tutorials](https://www.t-mobile.com/support/tutorials) [Troubleshooting](https://www.t-mobile.com/support/phones-tablets-devices/troubleshooting) [Unlock your device](https://www.t-mobile.com/support/devices/unlock-your-mobile-wireless-device) [Protect your device](https://www.t-mobile.com/support/devices/protectionandlt360andgt-and-device-protection) [SIM card & eSIM](https://www.t-mobile.com/support/devices/sim-esim) [All device assistance topics](https://www.t-mobile.com/support/phones-tablets-devices) - [Business support](#) - [Get T-Mobile for Business](https://www.t-mobile.com/support/business/new-to-business) [Billing and payments](https://www.t-mobile.com/support/business/billing) [Manage your account](https://www.t-mobile.com/support/business/account) [Orders and shopping](https://www.t-mobile.com/support/business/orders-shopping) [Account Hub registration](https://www.t-mobile.com/support/business/account-hub-registration) [All business support topics](https://www.t-mobile.com/support/business) [SUPPORT](https://www.t-mobile.com/support) - [Get started](#) - [New to T-Mobile?](https://www.t-mobile.com/support/new-to-tmobile) - [Switching is easy](https://www.t-mobile.com/support/new-to-tmobile/family-freedom) - [Set up your device](https://www.t-mobile.com/support/new-to-tmobile/device) - [Using the app](https://www.t-mobile.com/support/plans-features/t-mobile-app) - [All get started topics](https://www.t-mobile.com/support/new-to-tmobile) - [Account resources](#) - [Ways to pay your bill](https://www.t-mobile.com/support/account/pay-your-bill) - [All about your bill](https://www.t-mobile.com/support/account/whats-impacting-your-bill) - [Line permissions](https://www.t-mobile.com/support/account/set-online-permissions) - [Your T-Mobile ID](https://www.t-mobile.com/support/account/set-up-and-manage-your-t-mobile-id) - [Your PIN/Passcode](https://www.t-mobile.com/support/account/update-your-customer-pinpasscode) - [All account resources topics](https://www.t-mobile.com/support/account) - [Network & roaming](#) - [T-Mobile network](https://www.t-mobile.com/support/coverage/t-mobile-network) - [In-flight texting and Wi-Fi](https://www.t-mobile.com/support/coverage/t-mobile-in-flight-texting-and-wi-fi) - [Wi-Fi Calling](https://www.t-mobile.com/support/coverage/wi-fi-calling-from-t-mobile) - [International roaming](https://www.t-mobile.com/support/coverage/international-roaming-services) - [Mobile Without Borders](https://www.t-mobile.com/support/coverage/mobile-without-borders) - [All network & roaming topics](https://www.t-mobile.com/support/coverage) - [Plans support](#) - [Find the right plan](https://www.t-mobile.com/support/plans-features/find-the-right-plan-for-you) - [Netflix on Us](https://www.t-mobile.com/support/plans-features/netflix-on-us) - [HotSpot plans](https://www.t-mobile.com/support/plans-features/mobile-internet-plans-for-hotspots) - [Voicemail](https://www.t-mobile.com/support/plans-features/voicemail) - [Use Mobile HotSpot](https://www.t-mobile.com/support/plans-features/smartphone-mobile-hotspot-wi-fi-sharing--tethering) - [All plans support topics](https://www.t-mobile.com/support/plans-features) - [Device assistance](#) - [Tutorials](https://www.t-mobile.com/support/tutorials) - [Troubleshooting](https://www.t-mobile.com/support/phones-tablets-devices/troubleshooting) - [Unlock your device](https://www.t-mobile.com/support/devices/unlock-your-mobile-wireless-device) - [Protect your device](https://www.t-mobile.com/support/devices/protectionandlt360andgt-and-device-protection) - [SIM card & eSIM](https://www.t-mobile.com/support/devices/sim-esim) - [All device assistance topics](https://www.t-mobile.com/support/phones-tablets-devices) - [Business support](#) - [Get T-Mobile for Business](https://www.t-mobile.com/support/business/new-to-business) - [Billing and payments](https://www.t-mobile.com/support/business/billing) - [Manage your account](https://www.t-mobile.com/support/business/account) - [Orders and shopping](https://www.t-mobile.com/support/business/orders-shopping) - [Account Hub registration](https://www.t-mobile.com/support/business/account-hub-registration) - [All business support topics](https://www.t-mobile.com/support/business) [Support](https://www.t-mobile.com/support/) [Devices](https://www.t-mobile.com/support/community/phones-tablets-devices) # Get the best from T-Mobile's network 0 Added! [](https://www.t-mobile.com) ### Manage Links Click any [available links](https://www.t-mobile.com) to add. Click any [added links](https://www.t-mobile.com) to remove. Links with [no highlight](https://www.t-mobile.com) can't be sent. Done (0 Links) Get one of these messages? Select it to find out more!  ## On this page: - [Your free SIM replacement is waiting](https://www.t-mobile.com#SIM) - [Remember to update your LTE/VoLTE settings and software](https://www.t-mobile.com#LTE) - [Full terms](https://www.t-mobile.com#terms) ## [](https://www.t-mobile.com)Your free SIM replacement is waiting ### Why did I get a message about changing my SIM? - T-Mobile has America's largest and fastest 5G network and an LTE network that covers 99% of people in the U.S\*. - Your current SIM card is not compatible with our network enhancements and must be replaced to avoid service interruptions. - [Learn more about how our network is evolving.](https://www.t-mobile.com/support/coverage/t-mobile-network-evolution) ### What to do Stop by a [store](https://www.t-mobile.com/store-locator), [contact us](https://www.t-mobile.com/contact-us), or [contact T-Mobile Prepaid](https://prepaid.t-mobile.com/contact-us) or click on the “Get Help” link below to order a replacement SIM. For your security, the account holder or an authorized user must make the request. Get help activating or installing a SIM. For your security, the account holder or an authorized user must make the request. [Get help activating or installing a SIM.](https://www.t-mobile.com/support/devices/sim-esim) You'll also want to make sure your LTE/VoLTE settings are turned on and your software is up to date. [Get steps!](https://www.t-mobile.com#LTE) ## [](https://www.t-mobile.com)Remember to update your LTE/VoLTE settings and software - We're transforming our network experience and your device's LTE/VoLTE settings and software may need to be updated. - [Learn more about how our network is evolving](https://www.t-mobile.com/support/coverage/t-mobile-network-evolution). - Enabling LTE/VoLTE and running the latest software version will help avoid any service interruptions. - It's easy! Just choose your device manufacturer and follow the steps. - If your device manufacturer isn't listed or the steps don't work, check out our [Tutorials](https://www.t-mobile.com/support/tutorials) for steps specific to your device.   ### Apple   Steps for Apple software update or LTE/VoLTE settings Setting Steps LTE 1. From the Home screen, choose __Settings__ > __Cellular__ or __Cellular Data__. 2. If you have an iPhone with an eSIM, select the line you're making changes to. 3. Select __Cellular Data Options__, then choose the __Enable LTE__ toggle. 4. If the toggles don't display, select __Voice & Data__ or __Data__ and choose __LTE__. VoLTE 1. From any Home screen, choose __Settings__ > __Cellular or Cellular Data__ > __Cellular Data Options__. 2. If you have an iPhone with an eSIM, select the line you're making changes to. 3. Select __Enable LTE__ and choose __Voice & Data__. Software Update 1. From the Home Screen, choose __Settings__ > __General__ > __Software Update__. 2. If an update is available, select to download and install.   ### Samsung   Steps for Samsung software update or LTE/VoLTE settings Setting Steps LTE 1. Open the __Settings__ app and choose __Mobile Networks__. If it's not there, select __Connections__ first. 2. Select __Network Mode__ and choose an option that says __LTE__. VoLTE 1. Open the __Settings__ app and choose __Connections__ > __Mobile networks__. 2. Slide the __VoLTE calls__ switch to the __ON__ or __OFF__ position. 3. If it's not there open the __Phone__ app, press the __Menu__ icon with three dots, and check in __Settings__. Software Update 1. From the Home screen, choose __Settings__ > __Software update__ > __Download and install__. 2. Select __OK__ > __Start__. When the restart message appears, choose __OK__. 3. Repeat these steps until the device shows you have the latest software version.   ### LG   Steps for LG software update or LTE/VoLTE settings Setting Steps LTE 1. From your apps list, choose __Settings__ > __Network__ > __Mobile networks__. 2. Select __Network mode__ and choose an option that says __LTE__. VoLTE 1. From any home screen, select __Phone__. 2. Choose __Menu__ > __Call settings__. 3. Select the __VoLTE__ switch to turn it on or off. Software Update 1. From the Home screen, choose __Settings__ > __System__ > __Update center__. 2. Select __System update__ > __Check for update__. 3. Follow the on-screen prompts to download and install the latest software update. 4. Repeat these steps until the device shows you have the latest software version.   ### OnePlus   Steps for OnePlus software update or LTE/VoLTE settings Setting Steps LTE 1. From the Home screen, swipe up, then choose __Settings__. 2. Select __Wi-Fi & internet__ > __SIM & network__ > __Preferred network type__. 3. Choose an option that says __LTE__. VoLTE VoLTE is always enabled when available Software Update 1. From the Home screen, swipe up, then choose __Settings__. 2. Select __System__ > __System update__ > __Check for update__. 3. Follow the onscreen prompts to update to the latest software. 4. Repeat these steps until the device shows you have the latest software version. ## [](https://www.t-mobile.com)Full Terms \*5G capable device required; coverage not available in some areas. Some uses may require a certain plan or feature; check T-Mobile.com.  __Fastest:__ Based on median, overall combined 5G speeds according to analysis by Ookla® of Speedtest Intelligence® data 5G download speeds for Q2 2023. Ookla trademarks used under license and reprinted with permission. * * * Was this helpful? * * * ## Can't find what you're looking for? - [Contact Us](https://www.t-mobile.com/contact-us) - [Ask our community](https://www.t-mobile.com/community/)