Magenta® for Wearables, provides unlimited voice, messaging and data service, plus a variety of Un-carrier benefits and a separate number for your wearable device. In most cases, our Data with Paired DIGITS plans will provide the optimal experience for smartwatches and should be used instead. With DIGITS, your smartwatch will have the same ... Find the latest Android phones at T-Mobile, and compare different models, prices, features, and more. Get FREE SHIPPING on phones and devices with new activation! GoTo™ Dual USB-A 24W Car Charger. GoTo. 3.5. (8) GoTo™ Micro to USB A Cable, 4 ft. IF YOU CANCEL WIRELESS SERVICE, REMAINING BALANCE ON ACCESSORIES BECOMES DUE. For well qualified buyers. 0% APR. Qualifying service req'd. $49 minimum purchase for accessory financing. +2. See what T-Mobile has to offer in our review of the best cell phone plans of 2023. We share prices and features to help you choose the best wireless plan. 360 ReviewsGoTo™ Dual USB-A 24W Car Charger. GoTo. 3.5. (8) GoTo™ Micro to USB A Cable, 4 ft. IF YOU CANCEL WIRELESS SERVICE, REMAINING BALANCE ON ACCESSORIES BECOMES DUE. For well qualified buyers. 0% APR. Qualifying service req'd. $49 minimum purchase for accessory financing. +2. Nov 7, 2017 · T-Mobile Nest plan, it’s available at an unbeatable price – just $240 down and $10 per month on T-Mobile’s Equipment Installment Plan (FRP: $480). T-Mobile’s Nest plan includes cellular backup and Nest Aware service for $10 (after $5 bill credit). The Un-carrier is the first to offer Nest services and financing – on top of a price for ... Otherwise, follow signal issues on device. Check for an indicator light. Follow the setup video above for best results. Make sure the device is in a 3G / 4G coverage area. If not, your location doesn't have any signal to boost. Unplug the power adapter from both units, wait a few minutes and then plug them in. Test your phone without LTE enabled. Our Best Cell Phone Deals & Device Promotions | T-Mobile. T-Mobile. Wireless. Business. Prepaid. TV. Banking. Internet. Save $35 per line with $0 Device Connection Charge + free 2-day shipping on online activations, or call 844-222-1938. Welcome to myAT&T Online Account Management. Quickly view and manage all of your AT&T accounts with online access. Aug 4, 2023 · For people 55 and older, T-Mobile’s senior plans start at $27.50 per month and include unlimited talk, text, and data. T-Mobile senior plans are available nationwide, whereas similar plans from Verizon and AT&T are only available to Florida residents. Depending on the T-Mobile plan you choose, it may also include Netflix, AAA, and Apple TV ... A cell phone signal booster takes any existing 4G, 4G LTE, or 3G T-Mobile signal, amplifies it 32X, and rebroadcasts the boosted signal into your home, office, or car. This equals more bars and better service. Better Coverage: Think of a signal booster like a megaphone. It takes what you have and multiplies the performance. Explore everything that AT&T Wireless has to offer. Learn more about our cellular network, shop the latest smartphones and browse our best wireless plans. For your device to connect to the Internet, make sure: Your device has been restarted. See why it's important to Restart your device regularly. It has at least two signal bars. If not, see Signal issues / no service troubleshooting. Airplane mode is turned off. Data roaming is turned on if you're roaming across cellular networks. Benefits of T-Mobile wireless. For starters, T-Mobile has the fastest and largest 5G network which means that you’ll experience increased bandwidth and improved app speed on your cellular devices. T-Mobile also takes pride in delivering a bill with no surprise charges; you’ll pay the same price each month according to the plan you selected.Login to manage your AT&T Wireless, DIRECTV, U-verse, Internet or Home Phone services. View or pay your bill, check usage, change plans or packages, manage devices & features, and more. Phones. Get a fast and easy financing decision. (This won't affect your credit score.) Credit approval, deposit, qualifying service, and, in stores & on customer service calls, $35 assisted support, upgrade support or device connection charge due at sale. Equipment Installment Plan: 0% APR. Credit approval, deposit, qualifying service, and, in stores & on customer service calls, $35 assisted support, upgrade support or device connection charge due at sale. Equipment Installment Plan: 0% APR. If you cancel wireless service, remaining balance on device becomes due. Availability and amount of EIP financing subject to credit approval. Restart your device and check for signal bars. Change Wi-Fi Calling preferences to Cellular Preferred or Cellular Only to prevent Wi-Fi Calling issues from interfering with the signal. Turn off Wi-Fi to make sure you're using the T-Mobile network. Set the device Network mode to Auto. Remove any cases or covers from the device. To download the profile, follow the steps below: • Open the attached QR Code using another device or computer. • On your iPhone XS, XS Max, or XR go to Settings> Cellular. • Tap Add Cellular Plan. • Use your iPhone to scan the QR code. • Follow the remaining on-screen prompts to finish the eSIM set up. New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan ... New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan ... T-Mobile is one of the "Big Four" cell phone carriers in the U.S. offering both postpaid and prepaid plans. Where to Buy: Online, in-store, over the phone. Network : T-Mobile's 4G LTE network covers more than 60% of the United States, and the carrier is the first to offer nationwide 5G coverage. T-MOBILE PREPAID. Unlimited talk, text, and data with up to 10GB 5G & 4G LTE for $40/month. T-Mobile covers 99% of Americans with 4G LTE and has the largest 5G network. Check it out. Plus taxes & fees. Capable device required for 5G speeds. See coverage details. That’s 2 unlimited lines on our Essentials 55 plan for just $27.50/line with 5G access included—plus other great benefits and discounts. And thanks to our Price Lock guarantee, we won’t raise the price of your talk, text, and data. Hear testimonial Call 1-833-452-2555. Price Lock: EXCLUSIONS LIKE TAXES & FEES APPLY. The T-Mobile + Nest Aware plan includes unlimited cellular backup with access to T-Mobile’s network built right into Nest Secure, and Nest Aware for intelligent alerts and 10 days of continuous video recording from your Nest Cam Indoor security camera (while connected to Wi-Fi). ‘Always on’ is critical when it comes to home security, so ... New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan ... Look up your IMEI to see if your phone is compatible with the T‑Mobile network using our checker tool below. Every phone has a unique number—15 digits that tells you the make, model, and if it’s ready to use on our network. Most phones are compatible. IMEI STATUS CHECK: Dial *#06# to get your phone's IMEI, or find it in phone settings. Flashinpan 5G Home Internet Speedtest results are typically in the 180-300 Mbps, with Ping times around 20 ms. Last two days have been 15-40 Mbps, with Ping times of 250-750 ms. My guess is that T-Mobile has. 2023-09-02 01:12:11. Mike Horger A whopping 1.66Mbps down stream woo hoo, faster than AOL in 1996. Protection<360>®. Our most comprehensive protection for your device, starting at $7/mo. per device depending on your device (plus applicable tax). Pricing from $7-$25/mo. + tax, if applicable, depending on device tier. See full terms. Aug 23, 2023 · T-Mobile has been the carrier to 'shake-up' the cellular industry in the past few years. Their April 2020 merger with Sprint gave them greater coverage and spectrum ownership. Top Pick Notes: Go5G Plus is T-Mobile's current top-tier smartphone plan with no deprioritization and 50GB of hotspot data ... Otherwise, follow signal issues on device. Check for an indicator light. Follow the setup video above for best results. Make sure the device is in a 3G / 4G coverage area. If not, your location doesn't have any signal to boost. Unplug the power adapter from both units, wait a few minutes and then plug them in. Test your phone without LTE enabled. Sep 1, 2023 · T-Mobile is currently running a discount that gives you a third line for free. This brings pricing for four lines down to $25 per line vs $35 on the prepaid service. You’ll also get device ... Dec 22, 2021 · The $50 price is dependent on you having AutoPay on — without AutoPay, it’s $55 a month. You could face a $370 charge if you cancel your service and don’t return the included internet ... T-MOBILE PREPAID. Unlimited talk, text, and data with up to 10GB 5G & 4G LTE for $40/month. T-Mobile covers 99% of Americans with 4G LTE and has the largest 5G network. Check it out. Plus taxes & fees. Capable device required for 5G speeds. See coverage details.Credit approval, deposit, qualifying service, and, in stores & on customer service calls, $35 assisted support, upgrade support or device connection charge due at sale. Equipment Installment Plan: 0% APR. If you cancel wireless service, remaining balance on device becomes due. Availability and amount of EIP financing subject to credit approval. Restart your device and check for signal bars. Change Wi-Fi Calling preferences to Cellular Preferred or Cellular Only to prevent Wi-Fi Calling issues from interfering with the signal. Turn off Wi-Fi to make sure you're using the T-Mobile network. Set the device Network mode to Auto. Remove any cases or covers from the device. 5G stands for “fifth generation” of wireless network technology. It works at higher frequencies than its predecessors, resulting in greater bandwidth and faster data transfer. This creates opportunity for quicker downloads, smoother streaming, and more responsive and reliable online experiences, even in spots with high network traffic. T-Mobile needs the registration to locate the addresses of signal boosters and, if necessary, to contact the owners. This ensures signal boosters don't interfere with cellular coverage. Our engineers can use the information to resolve network problems in your area. The FCC mandates signal boosters to be registered for this reason. When you travel outside of T-Mobile's U.S. network areas, your phone automatically switches to use one of our wireless network partners where available when you have data roaming enabled. Check out our map of the network and roaming areas. T-Mobile coordinates with these partners to give our customers connectivity outside of our network. For your device to connect to the Internet, make sure: Your device has been restarted. See why it's important to Restart your device regularly. It has at least two signal bars. If not, see Signal issues / no service troubleshooting. Airplane mode is turned off. Data roaming is turned on if you're roaming across cellular networks. Aug 4, 2023 · For people 55 and older, T-Mobile’s senior plans start at $27.50 per month and include unlimited talk, text, and data. T-Mobile senior plans are available nationwide, whereas similar plans from Verizon and AT&T are only available to Florida residents. Depending on the T-Mobile plan you choose, it may also include Netflix, AAA, and Apple TV ... Aug 30, 2023 · Verizon offers even less data on its Basic Phone 500 MB, which costs $30 a month, plus taxes and fees. This no-frills prepaid plan has unlimited talking time and text, and includes only 500 MB of ... That’s 2 unlimited lines on our Essentials 55 plan for just $27.50/line with 5G access included—plus other great benefits and discounts. And thanks to our Price Lock guarantee, we won’t raise the price of your talk, text, and data. Hear testimonial Call 1-833-452-2555. Price Lock: EXCLUSIONS LIKE TAXES & FEES APPLY. Aug 29, 2023 · T-Mobile also has AT&T beat in terms of price. Its Go5G plan – $80, including all taxes and fees – bests AT&T’s comparable offerings and its own $95 Go5G Plus plan (formerly Magenta Max ... See full list on whistleout.com Look up your IMEI to see if your phone is compatible with the T‑Mobile network using our checker tool below. Every phone has a unique number—15 digits that tells you the make, model, and if it’s ready to use on our network. Most phones are compatible. IMEI STATUS CHECK: Dial *#06# to get your phone's IMEI, or find it in phone settings. Protection<360>®. Our most comprehensive protection for your device, starting at $7/mo. per device depending on your device (plus applicable tax). Pricing from $7-$25/mo. + tax, if applicable, depending on device tier. See full terms. Apr 14, 2021 · While T-Mobile's system uses city-spanning 4G and mid-band 5G, Verizon's 5G Home relies on millimeter-wave 5G, which I've so far only seen stretch 800 feet or so from each cell site in my testing. 5G stands for “fifth generation” of wireless network technology. It works at higher frequencies than its predecessors, resulting in greater bandwidth and faster data transfer. This creates opportunity for quicker downloads, smoother streaming, and more responsive and reliable online experiences, even in spots with high network traffic. REVVL® 6x 5G. T-Mobile®. 2.2. (107) REVVL® 6 PRO 5G. IF YOU CANCEL WIRELESS SERVICE, REMAINING BALANCE ON DEVICE BECOMES DUE. For well qualified buyers. 0% APR. Qualifying service req'd. T-Mobile®. T-Mobile is one of the three big mobile carriers in the country, providing cellular service to hundreds of millions of people across the nation. T-Mobile's Go5G, Go 5G Plus, Magenta, Magenta MAX, and Essentials plans are among the most popular phone plans available.T-Mobile network frequencies & technology. You can check if your phone supports the T-Mobile frequencies below in order to connect to our network. This can get technical, so it's a lot simpler to just use the IMEI Status Check if you have the device already. Devices often support more frequencies than these, in order to roam on other domestic ... T-Mobile continues to crush the competition in nationwide 5G network coverage—in fact, the Un-carrier's footprint has grown 4.6% just in the last few months as it works to expand the T-Mobile towers that support 5G. Here's how the numbers break down: T-Mobile: 41.35% 5G coverage; AT&T: 18.11% 5G coverage ; Verizon: 11.08% 5G coverageGoTo™ Dual USB-A 24W Car Charger. GoTo. 3.5. (8) GoTo™ Micro to USB A Cable, 4 ft. IF YOU CANCEL WIRELESS SERVICE, REMAINING BALANCE ON ACCESSORIES BECOMES DUE. For well qualified buyers. 0% APR. Qualifying service req'd. $49 minimum purchase for accessory financing. +2. Aug 30, 2023 · Verizon offers even less data on its Basic Phone 500 MB, which costs $30 a month, plus taxes and fees. This no-frills prepaid plan has unlimited talking time and text, and includes only 500 MB of ... Unlock your device. If you didn't get a notification about unlocking your device, make sure it's eligible to be unlocked: Log into your T-Mobile Account and choose your line on the Accounts page. Choose Check device unlock status to check if your device is locked or unlocked. Under the device image, check if your device is eligible to be unlocked. T-Mobile US, Inc. is an American wireless network operator headquartered in Overland Park, Kansas, and Bellevue, Washington, U.S. [4] Its largest shareholder is multinational telecommunications company Deutsche Telekom AG, which as of April 2023, holds a 53.3% majority stake in the company. Helping eligible households stay connected with payment assistance for internet service. T-Mobile is proud to participate in the new federal Affordable Connectivity Program (ACP), which offers internet service payment assistance to eligible households. We’re making the program available through Metro® by T-Mobile and Assurance Wireless®. Pay your T-Mobile bill as a guest, no log in required. Just enter the phone number of the account to quickly pay and be on your way. Aug 14, 2023 · The Best T-Mobile Phones for 2023. T-Mobile is bigger and better than ever. Take a look at the carrier's top-rated phones, including the ones you need to access the fastest network speeds. By ... Sep 1, 2023 · T-Mobile is currently running a discount that gives you a third line for free. This brings pricing for four lines down to $25 per line vs $35 on the prepaid service. You’ll also get device ... Unlock your device. If you didn't get a notification about unlocking your device, make sure it's eligible to be unlocked: Log into your T-Mobile Account and choose your line on the Accounts page. Choose Check device unlock status to check if your device is locked or unlocked. Under the device image, check if your device is eligible to be unlocked. Helping eligible households stay connected with payment assistance for internet service. T-Mobile is proud to participate in the new federal Affordable Connectivity Program (ACP), which offers internet service payment assistance to eligible households. We’re making the program available through Metro® by T-Mobile and Assurance Wireless®. T-Mobile is one of the "Big Four" cell phone carriers in the U.S. offering both postpaid and prepaid plans. Where to Buy: Online, in-store, over the phone. Network : T-Mobile's 4G LTE network covers more than 60% of the United States, and the carrier is the first to offer nationwide 5G coverage. T-Mobile is one of the three big mobile carriers in the country, providing cellular service to hundreds of millions of people across the nation. T-Mobile's Go5G, Go 5G Plus, Magenta, Magenta MAX, and Essentials plans are among the most popular phone plans available.T-Mobile US, Inc. is an American wireless network operator headquartered in Overland Park, Kansas, and Bellevue, Washington, U.S. [4] Its largest shareholder is multinational telecommunications company Deutsche Telekom AG, which as of April 2023, holds a 53.3% majority stake in the company. Aug 4, 2023 · For people 55 and older, T-Mobile’s senior plans start at $27.50 per month and include unlimited talk, text, and data. T-Mobile senior plans are available nationwide, whereas similar plans from Verizon and AT&T are only available to Florida residents. Depending on the T-Mobile plan you choose, it may also include Netflix, AAA, and Apple TV ... When you travel outside of T-Mobile's U.S. network areas, your phone automatically switches to use one of our wireless network partners where available when you have data roaming enabled. Check out our map of the network and roaming areas. T-Mobile coordinates with these partners to give our customers connectivity outside of our network. See full list on whistleout.com The Best T-Mobile Phones for 2023. T-Mobile is bigger and better than ever. Take a look at the carrier's top-rated phones, including the ones you need to access the fastest network speeds. By ...Restart your device and check for signal bars. Change Wi-Fi Calling preferences to Cellular Preferred or Cellular Only to prevent Wi-Fi Calling issues from interfering with the signal. Turn off Wi-Fi to make sure you're using the T-Mobile network. Set the device Network mode to Auto. Remove any cases or covers from the device. Explore everything that AT&T Wireless has to offer. Learn more about our cellular network, shop the latest smartphones and browse our best wireless plans. Log in to manage your T-Mobile account. View or pay your bill, check usage, change plans or add-ons, add a person, manage devices, data, and Internet, and get help. Login to manage your AT&T Wireless, DIRECTV, U-verse, Internet or Home Phone services. View or pay your bill, check usage, change plans or packages, manage devices & features, and more. T-Mobile is one of the "Big Four" cell phone carriers in the U.S. offering both postpaid and prepaid plans. Where to Buy: Online, in-store, over the phone. Network : T-Mobile's 4G LTE network covers more than 60% of the United States, and the carrier is the first to offer nationwide 5G coverage. Aug 23, 2023 · After weeks of setting up and testing the latest models, we’ve cut through the advertising hype to pick the best cellular trail cameras for 2023. Best Overall: Reconyx Hyperfire 2 (4G LTE) Best ... T-MOBILE PREPAID. Unlimited talk, text, and data with up to 10GB 5G & 4G LTE for $40/month. T-Mobile covers 99% of Americans with 4G LTE and has the largest 5G network. Check it out. Plus taxes & fees. Capable device required for 5G speeds. See coverage details. Unlock your device. If you didn't get a notification about unlocking your device, make sure it's eligible to be unlocked: Log into your T-Mobile Account and choose your line on the Accounts page. Choose Check device unlock status to check if your device is locked or unlocked. Under the device image, check if your device is eligible to be unlocked. Jan 24, 2023 · US Mobile is an MVNO with Verizon & T-Mobile 5G & 4G wireless coverage, they offer cell phone plans starting at $0/mo. While T-Mobile's phone plans start at $70/mo. Is US Mobile as good as T-Mobile? US Mobile is powered by the Verizon & T-Mobile network, they offer much cheaper cell phone service than T-Mobile. See T-Mobile.com for details and restrictions including important 9-1-1 and security limitations. Property of T-Mobile USA, Inc. Not For Resale. Limited time offer; subject to change. New financed or leased device, qualifying credit, port-in from eligible carriers, and qualifying service required. T-MOBILE PREPAID. Unlimited talk, text, and data with up to 10GB 5G & 4G LTE for $40/month. T-Mobile covers 99% of Americans with 4G LTE and has the largest 5G network. Check it out. Plus taxes & fees. Capable device required for 5G speeds. See coverage details. Otherwise, follow signal issues on device. Check for an indicator light. Follow the setup video above for best results. Make sure the device is in a 3G / 4G coverage area. If not, your location doesn't have any signal to boost. Unplug the power adapter from both units, wait a few minutes and then plug them in. Test your phone without LTE enabled. A cell phone signal booster takes any existing 4G, 4G LTE, or 3G T-Mobile signal, amplifies it 32X, and rebroadcasts the boosted signal into your home, office, or car. This equals more bars and better service. Better Coverage: Think of a signal booster like a megaphone. It takes what you have and multiplies the performance. Protection<360>®. Our most comprehensive protection for your device, starting at $7/mo. per device depending on your device (plus applicable tax). Pricing from $7-$25/mo. + tax, if applicable, depending on device tier. See full terms. Find the latest Android phones at T-Mobile, and compare different models, prices, features, and more. Get FREE SHIPPING on phones and devices with new activation! You don’t have to be a customer to get our high-speed home internet service, but if you bundle a T-Mobile phone line with a T-Mobile internet plan, you’ll get the best prices we offer. Delivered via 5G cellular network; speeds vary due to factors affecting cellular networks. $30/mo. with Go5G Next, Go5G Plus or Magenta® MAX. Benefits of T-Mobile wireless. For starters, T-Mobile has the fastest and largest 5G network which means that you’ll experience increased bandwidth and improved app speed on your cellular devices. T-Mobile also takes pride in delivering a bill with no surprise charges; you’ll pay the same price each month according to the plan you selected.
GoTo™ Dual USB-A 24W Car Charger. GoTo. 3.5. (8) GoTo™ Micro to USB A Cable, 4 ft. IF YOU CANCEL WIRELESS SERVICE, REMAINING BALANCE ON ACCESSORIES BECOMES DUE. For well qualified buyers. 0% APR. Qualifying service req'd. $49 minimum purchase for accessory financing. +2. . Builder
Dec 22, 2021 · The $50 price is dependent on you having AutoPay on — without AutoPay, it’s $55 a month. You could face a $370 charge if you cancel your service and don’t return the included internet ... For your device to connect to the Internet, make sure: Your device has been restarted. See why it's important to Restart your device regularly. It has at least two signal bars. If not, see Signal issues / no service troubleshooting. Airplane mode is turned off. Data roaming is turned on if you're roaming across cellular networks. Find the latest Android phones at T-Mobile, and compare different models, prices, features, and more. Get FREE SHIPPING on phones and devices with new activation! T-Mobile network frequencies & technology. You can check if your phone supports the T-Mobile frequencies below in order to connect to our network. This can get technical, so it's a lot simpler to just use the IMEI Status Check if you have the device already. Devices often support more frequencies than these, in order to roam on other domestic ... From your T-Mobile phone: 611. Call: 1-800-937-8997. If you are calling about a technical issue with your T-Mobile service, please call from a different phone so that we can troubleshoot with you. T-Mobile High Speed Internet Support. T-Mobile High Speed Home Internet Sales: 1-844-839-5057. T-Mobile Home Internet Tech Support: 1-844-275-9310. Look up your IMEI to see if your phone is compatible with the T‑Mobile network using our checker tool below. Every phone has a unique number—15 digits that tells you the make, model, and if it’s ready to use on our network. Most phones are compatible. IMEI STATUS CHECK: Dial *#06# to get your phone's IMEI, or find it in phone settings. Get better coverage with our most powerful signal. Our Extended Range signal reaches 2X as far and is 4X better in buildings in more places than ever before—giving customers better coverage in rural and suburban areas. We cover 99% of Americans with 4G LTE, made possible by our most powerful, 600 MHz Extended Range signal. T-Mobile network frequencies & technology. You can check if your phone supports the T-Mobile frequencies below in order to connect to our network. This can get technical, so it's a lot simpler to just use the IMEI Status Check if you have the device already. Devices often support more frequencies than these, in order to roam on other domestic ... Unlock your device. If you didn't get a notification about unlocking your device, make sure it's eligible to be unlocked: Log into your T-Mobile Account and choose your line on the Accounts page. Choose Check device unlock status to check if your device is locked or unlocked. Under the device image, check if your device is eligible to be unlocked. Aug 6, 2021 · What the Map Shows. This map shows the 4G LTE mobile coverage areas of the nation’s four largest mobile wireless carriers: AT&T Mobility, T-Mobile, UScellular, and Verizon. Specifically, it shows where customers can expect to receive 4G LTE broadband service at a minimum user download speed of five megabits per second (5 Mbps) and a user ... Explore our selection of T Mobile smart watches and compare different models, prices, features, and more. Get FREE SHIPPING with all new activations! T-Mobile needs the registration to locate the addresses of signal boosters and, if necessary, to contact the owners. This ensures signal boosters don't interfere with cellular coverage. Our engineers can use the information to resolve network problems in your area. The FCC mandates signal boosters to be registered for this reason. .