Make sure mobile data or cellular data is turned on. (This is important because if somehow your data was turned off, this would hinder your connection, so it's always good to just double-check that mobile data is enabled) Disconnect from Wi-Fi ® to test your mobile data. (This helps because tunring off Wi-Fi will ensure that this feature ...Cellular data not working after upgrade. Switched from an 11 to a 12, both purchased from Apple, and cellular data does not work. I can make/receive calls and texts but cannot use data. Three calls with AT&T, restarted phone, toggled airplane mode and cellular options, and reset network settings. Was supposed to get a call back from someone ...The first one involves resetting your network settings as mentioned, by @sandblaster. This will be the seventh step on this page. This options resets Wi-Fi networks and passwords, cellular settings. Check out the steps below for additional steps to resolve your data connection. Go to Settings> Cellular Settings> Network> Reset Network.Dec 7, 2022 · Follow these tips if your mobile data isn't working Turn your phone off and back on. Make sure mobile data or cellular data is turned on. Disconnect from Wi-Fi ® to test your mobile data. Turn off airplane mode. Jun 19, 2022 · You will not lose data like pictures, videos, or text. iPhone: Settings>General>Reset>Reset network settings. Android: Settings>General Management>Reset>Reset network settings. Next, visit our AT&T Wireless Support webpage and select Get Suggestions. You'll be directed to the Fix an Issue section. New Member. •. 11 Messages. The tech at the ATT store today said this was not a problem with my phone; he thought it was something related to my ATT service. The reason he said this is he put a new SIM card in my phone and LTE still didn't work. Then he put that same (new) SIM card in a new device they had in the store and LTE still didn't work.Jan 12, 2023 · Open the Settings app. Tap Cellular. Make sure Cellular Data is toggled on. Make sure the apps you want to use cellular data for are toggled on. Note: if you are traveling internationally, follow these steps to make sure your iPhone is set up for data roaming: Opening the Settings app. Tap Cellular. Jun 27, 2022 · For Android 11 and earlier: Go to "Settings -> Network & Internet -> Mobile network." Make sure "Mobile data" is switched on, then tap "Data warning & limit." Here you need to make sure that "Set data limit" is switched off, or at least no lower than the limit provided by your network. The main option will be to reset your network settings. You can do this by going to: Settings > System > Advanced > Reset > Reset Wi-Fi, mobile & Bluetooth > RESET SETTINGS. After doing this, test to test if mobile data is working or not. Let us know if this helps! Collin, AT&T Community Specialist. 0.If you have an iPhone 4 or higher and data is not working after taking these steps, please contact customer service for assistance at (888) 345-5509. If you have an Apple iPhone 3GS, data can be configured once the phone has been updated to iOS 5 or higher. These phones can then work for cellular data, however picture messaging cannot be ...I am on AT&T with an iPhone 12, iOS version 16.0 (20A362). As of yesterday my cellular data stopped working — only WiFi will give me Internet. I’ve switched cellular connectivity on and off, up...Go to Settings > General > Reset > Reset Network Settings, this refreshes your network. We also recommend our Troubleshoot And Resolve Tool > Fix An Issue > Connection > Messaging & Internet, to assist fix your cellular connectivity and message service. Let us know if this is helpful! Thank you for reaching out to the community!Select your service. Wireless (mobile phone) AT&T Internet, AT&T Phone, or U-verse® TV. Get help with Wi-Fi® weak spots. Manage connected devices. Check for outages.The first one involves resetting your network settings as mentioned, by @sandblaster. This will be the seventh step on this page. This options resets Wi-Fi networks and passwords, cellular settings. Check out the steps below for additional steps to resolve your data connection. Go to Settings> Cellular Settings> Network> Reset Network.Make sure that Set Automatically is turned on. Turn on Airplane Mode for about 30 seconds. Then turn it off again and let your iPhone automatically select the best network. If you see No Service or SOS only in the status bar of your iPhone, open Settings and tap Cellular, or Cellular Data, or Mobile Data. Tap Cellular Data Options and make sure ...Jan 17, 2023 · Update your iPhone or iPad to the latest version of iOS or iPadOS. Go to Settings > Cellular. Then: For iPhone, tap Cellular Data Options, then turn on Enable LTE. For iPad, turn on LTE. If you still see No Service after following these steps, contact your carrier. iPhone and iPad devices that support 5G networks are not affected by the phasing ... You will not lose data like pictures, videos, or text. iPhone: Settings>General>Reset>Reset network settings. Android: Settings>General Management>Reset>Reset network settings. Next, visit our AT&T Wireless Support webpage and select Get Suggestions. You'll be directed to the Fix an Issue section.So, in this method, you need to enable the right network mode to fix Mobile data not working on Android. First, head to Settings > Mobile Data > Network Mode and switch to the appropriate network mode. 10. Reset Network Settings On Android. Resetting the network settings is another best thing you can do to resolve mobile data not working issues.May 31, 2022 · Land in Lisbon, Amsterdam, Copenhagen — all works instantly with european networks, data, roaming etc. Land back in Boston, no connencitvity, emergency calls only. Shut the phone down, fiddle with SIM removal, turn the phone on, turn off, reinsert the SIM, turn on and, with some luck (not always!!!!) ATT cellular will reconnect. Oct 17, 2022 · I am on AT&T with an iPhone 12, iOS version 16.0 (20A362). As of yesterday my cellular data stopped working — only WiFi will give me Internet. I’ve switched cellular connectivity on and off, up... 1. From the home screen, select the Settings app. 2. Select Cellular. To turn cellular data on or off, select the Cellular Data switch. Note: To turn LTE data on or off select Cellular Data Options > Enable LTE > desired option. Learn more from the Apple support article About cellular data settings and usage on your iPhone. 3.Swipe down from the top right of the screen to see the Control Center and look for the Mobile Data icon, which is an antenna to the right of Airplane mode. If it's off, tap it to turn it on ... Apr 11, 2021 · The closer to -120 dBm, the worse your signal. Let’s say you have -50 dBm signal outside (full bars) but have a building or factory lined with any or all types of metal: steel, aluminum, brass, copper, iron, etc. This means it can potentially subtract an additional -50 dBm once it reaches inside for a signal strength of -100 dBm (1-2 bars). 1. From the home screen, select the Settings app. 2. Select Cellular. To turn cellular data on or off, select the Cellular Data switch. Note: To turn LTE data on or off select Cellular Data Options > Enable LTE > desired option. Learn more from the Apple support article About cellular data settings and usage on your iPhone. 3.Go to Settings > General > Reset > Reset Network Settings, this refreshes your network. We also recommend our Troubleshoot And Resolve Tool > Fix An Issue > Connection > Messaging & Internet, to assist fix your cellular connectivity and message service. Let us know if this is helpful! Thank you for reaching out to the community!Data over 5G just stopped working recently. I could reset my network settings and it would work for a few minutes then stop working again. I was able to switch Voice & Data to LTE and now apps and data are working. Settings -> Cellular -> Cellular Data Options -> Voice & Data -> LTE. 0.Feb 4, 2022 · Make sure you're properly inserting the SIM card and confirm that your cellular data is enabled. Resetting your network settings in your device will refresh your connection which will improve your service. Using your Samsung Galaxy S21, go to: Settings>General Management>Reset>Reset network settings. There's a device support tool we offer that ... Settings->Cellular->Cellular Data Options->Enable LTE->Voice & Data (select Voice & Data option) Android. Go to Settings > Connection > Mobile networks > Enhanced LTE services and select on. Once complete, please ensure you power your phone off and back on to establish a fresh connection with the network.1. From the home screen, select the Settings app. 2. Select Cellular. To turn cellular data on or off, select the Cellular Data switch. Note: To turn LTE data on or off select Cellular Data Options > Enable LTE > desired option. Learn more from the Apple support article About cellular data settings and usage on your iPhone. 3.How to Fix AT&T Cellular Data not Working: Start With Checking if your cellular data is turned on. Your access to AT&T cellular data is weak. Restart your Device. Turn Off Wi-Fi on your Device. Enable then Disable Airplane Mode. Remove your SIM, then Re-insert it. Reboot your Device With Data Roaming Turned On.Thank you for the information provided, we also recommend reinserting your SIM Card to reset your device and reset your network settings to refresh your connection. Go to Settings>General>Reset>Reset Network Settings. Also, let us know what type of device you are currently using to better assist you with troubleshooting steps.Cellular data not working. Att sold me a phone now that I owe 10 payments my cellular data don’t work. What can I do because this was never told to me.Find help for your AT&T Wireless℠ plan, international plan, or parental controls. Learn how to help your wireless signal with AT&T Cell Booster. Explore wireless add-ons, apps, and more.Jul 18, 2022 · I have tried all of those solutions. I live in Los Angeles and my cellular data works just fine there. I’ve been in Las Vegas for about two weeks and my cellular data stops working out of nowhere. I have an iPhone 12 and my zip code where I’m located right now is 89030. Since the update my mobile data stopped working. I tried everything, changing the APN settings, toggling, talking to SAMSUNG India and US to no avail. Here is what was wrong: It seems like AT&T has 3G and 4G/LTE sims this problem is with their 3G sim it doesnt work with the new update unless you roll back to 3G APN settings.Apr 23, 2018 · Our Troubleshoot & Resolve Tool is a fantastic resource to use when you run into issues like this. Select the device you are using, and then under Service/network issues choose Internet. Another thing we do when you are experiencing data connection issues is to Reset Network Settings on all devices. Tap Settings> General> Reset> Reset Network ... New Member. •. 11 Messages. The tech at the ATT store today said this was not a problem with my phone; he thought it was something related to my ATT service. The reason he said this is he put a new SIM card in my phone and LTE still didn't work. Then he put that same (new) SIM card in a new device they had in the store and LTE still didn't work.Swipe down from the top right side of the screen to reveal Control Center. If the cellular button is green, tap it, then tap it again after a few seconds. Check if cellular data is now working ...Jul 2, 2022 · It is now a safety concern as I need to be alone tomorrow and it is essential that I be able to use maps to navigate. Some texts are getting through but with a significant delay. A map will partially load and then just spin. I tried turning on and off all data and cellular settings. Turned off all app data except maps with no fix. You will not lose data like pictures, videos, or text. iPhone: Settings>General>Reset>Reset network settings. Android: Settings>General Management>Reset>Reset network settings. Next, visit our AT&T Wireless Support webpage and select Get Suggestions. You'll be directed to the Fix an Issue section.Feb 7, 2023 · Wait for half a minute and then turn your mobile phone back on. Go to the same settings section and turn off Airplane mode. After that, check if your mobile data is working again. To double-check accurately, make sure you’re only connected to your cellular data services and make sure your mobile WiFi is turned off. 3. I have an iPhone 7. I just bought the $50 monthly plan With 25gb of high speed today and I can get calls and texts but my cellular data isn’t working and will not let me send iMessages or use the internet. I’ve tried cutting my phone on/off and reset network settings.May 8, 2023 · AT&T Community Forums. Wireless. Features & Services. Data & Messaging Features, ... Cellular Data not working. Gift your grad endless possibilities. Celebrate right now and connect them to their brightest future. It is crucial to get in touch with AT&T if you are a client and have encountered an outage in order to report the problem and receive assistance. For updates on known outages in your area, visit their website. For the inconvenience, AT&T has occasionally given some customers credits and other forms of payment. Advertisement.If your plan uses an eSIM, follow these steps: On the new iPad, go to Settings > Cellular Data > Set up Cellular Data. If you see a Transfer button next to the carrier you want, tap it. Then follow the directions to transfer service. You might need to wait a few minutes for the activation to complete. If you don’t see a Transfer button, or if ...Jun 27, 2022 · For Android 11 and earlier: Go to "Settings -> Network & Internet -> Mobile network." Make sure "Mobile data" is switched on, then tap "Data warning & limit." Here you need to make sure that "Set data limit" is switched off, or at least no lower than the limit provided by your network. Find help for your AT&T Wireless℠ plan, international plan, or parental controls. Learn how to help your wireless signal with AT&T Cell Booster. Explore wireless add-ons, apps, and more. Swipe down from the top right side of the screen to reveal Control Center. If the cellular button is green, tap it, then tap it again after a few seconds. Check if cellular data is now working ...Dec 16, 2016 · Settings->Cellular->Cellular Data Options->Enable LTE->Voice & Data (select Voice & Data option) Android. Go to Settings > Connection > Mobile networks > Enhanced LTE services and select on. Once complete, please ensure you power your phone off and back on to establish a fresh connection with the network. 64.5K Messages. 2 years ago. You aren’t really connected to ATT’s network, even if it says ATT Mexico. You are still roaming and subject to whatever conditions are imposed on roaming by that carrier which could include reduced data speeds. See if you have the option of selecting what carrier you connect to.Jun 19, 2022 · You will not lose data like pictures, videos, or text. iPhone: Settings>General>Reset>Reset network settings. Android: Settings>General Management>Reset>Reset network settings. Next, visit our AT&T Wireless Support webpage and select Get Suggestions. You'll be directed to the Fix an Issue section. Make sure mobile data or cellular data is turned on. (This is important because if somehow your data was turned off, this would hinder your connection, so it's always good to just double-check that mobile data is enabled) Disconnect from Wi-Fi ® to test your mobile data. (This helps because tunring off Wi-Fi will ensure that this feature ...Jul 25, 2021 · Go to Settings > General > Reset > Reset Network Settings, this refreshes your network. We also recommend our Troubleshoot And Resolve Tool > Fix An Issue > Connection > Messaging & Internet, to assist fix your cellular connectivity and message service. Let us know if this is helpful! Thank you for reaching out to the community! For Android 11 and earlier: Go to "Settings -> Network & Internet -> Mobile network." Make sure "Mobile data" is switched on, then tap "Data warning & limit." Here you need to make sure that "Set data limit" is switched off, or at least no lower than the limit provided by your network.Since the update my mobile data stopped working. I tried everything, changing the APN settings, toggling, talking to SAMSUNG India and US to no avail. Here is what was wrong: It seems like AT&T has 3G and 4G/LTE sims this problem is with their 3G sim it doesnt work with the new update unless you roll back to 3G APN settings.It is now a safety concern as I need to be alone tomorrow and it is essential that I be able to use maps to navigate. Some texts are getting through but with a significant delay. A map will partially load and then just spin. I tried turning on and off all data and cellular settings. Turned off all app data except maps with no fix.May 8, 2023 · AT&T Community Forums. Wireless. Features & Services. Data & Messaging Features, ... Cellular Data not working. Gift your grad endless possibilities. Celebrate right now and connect them to their brightest future. Jun 27, 2022 · For Android 11 and earlier: Go to "Settings -> Network & Internet -> Mobile network." Make sure "Mobile data" is switched on, then tap "Data warning & limit." Here you need to make sure that "Set data limit" is switched off, or at least no lower than the limit provided by your network. May 8, 2023 · AT&T Community Forums. Wireless. Features & Services. Data & Messaging Features, ... Cellular Data not working. Gift your grad endless possibilities. Celebrate right now and connect them to their brightest future. If you have an iPhone 4 or higher and data is not working after taking these steps, please contact customer service for assistance at (888) 345-5509. If you have an Apple iPhone 3GS, data can be configured once the phone has been updated to iOS 5 or higher. These phones can then work for cellular data, however picture messaging cannot be ... 2) Inside the app go to Profile and Settings. 3) Go to Manage My Data. 4) On Sponsored Data: If it is enabled, disable it. Wait 5 mins. Restart your device. Repeat steps 1-4, this time turn sponsored Data on. Wait 5 mins and turn off and then back on your device. Boom: check your cellular data it is now working.May 10, 2022 · Settings icon > scroll to and select General management > select Reset > Reset network settings > Reset settings > select Reset to confirm. If that does not work, go into cellular settings and see if you can select a carrier. If neither works, you may need to add the international pay per use feature to your line. Jun 13, 2018 · It is important to back up your device before doing this. For instructions visit our Device How to Page and select the Make and Model of your device. Thank you for being part of the Community Forums, and have a great weekend. In some cases, powering down the phone for 3-5 minutes has resolved the data access issue. Oct 17, 2022 · I am on AT&T with an iPhone 12, iOS version 16.0 (20A362). As of yesterday my cellular data stopped working — only WiFi will give me Internet. I’ve switched cellular connectivity on and off, up... So, in this method, you need to enable the right network mode to fix Mobile data not working on Android. First, head to Settings > Mobile Data > Network Mode and switch to the appropriate network mode. 10. Reset Network Settings On Android. Resetting the network settings is another best thing you can do to resolve mobile data not working issues.How to Fix Cellular Data Not Working 1. Turn on mobile data The first thing you should do when your cellular data stops working is make sure the ability to... 2. Turn off Wi-Fi Your phone doesn’t use cellular data when it’s also connected to Wi-Fi. That’s a good thing because it... 3. Turn off ...Turn the iPhone or iPad by holding down the Power button. Wait for at least 10 seconds before turning the device back on again. Now, you will be able to check if the cellular data is working again. Should the device’s cellular data be not working still, then you might need to check the third method. Method 5.Step 1: Bring up the control center by swiping down on the home screen of your iPhone 13. Step 2: Then, tap the “Airplane Mode” icon to enable the feature. Wait for a few seconds and again, click the same icon to turn off Airplane mode. Check if cellular data starts working or not this time. Fix 4. Go to Settings -> Cellular and turn on the switch next to Cellular Data at the top of screen. You’ll know Cellular Data in on when the switch is green. If Cellular Data is already on, try toggling the switch off and back on. This will give Cellular Data a fresh start, just in case it’s not working because of a minor software glitch.Cellular data not working I have an iPhone 6s plus and my data is not working unless im on wifi to use the internet. Ive tried everything to reset it im on an prepaid unlimited plan I was on the att store for hours and no one knows how to fix this problem.Mar 12, 2021 · If the cellular network is still not available on your iPhone or iPad, try restarting the device. For your iPad, just press the power button until the power off screen appears, then slide the power off icon right in order to initiate the shut down. For the iPhone, hold and press one of the volume buttons and the side button, then slide to power ... I called them again and they told me they need to re-activate the SIM, so they did that and it's still not working. I tried Resetting my network, re-insert SIM, toggled cellular data and airplane mode on/off and also removed International Day Pass from my account, but still no luck. When I checked my data balance by dialing *3282* it says I ...If you have an iPhone 4 or higher and data is not working after taking these steps, please contact customer service for assistance at (888) 345-5509. If you have an Apple iPhone 3GS, data can be configured once the phone has been updated to iOS 5 or higher. These phones can then work for cellular data, however picture messaging cannot be ... Here is an in-depth guide to all the steps to follow when your cellular data isn’t working. 1. Check That Your Cellular Data is On. The first step is to check whether your cellular data is on. To do this: Open the settings app. Go to cellular, then cellular data. Tap on the toggle to turn cellular data on. It is grey when off and green when on.Jul 25, 2023 · This feature could still be turned on if you have no data connection. If Airplane Mode is turned off, you can try turning it on and off again. A cycle in and out of this mode has been known to fix mobile connections for some people. Disable Wi-Fi. This shouldn't happen, but sometimes it does, especially on older iPhone models. If your carrier allows it, you can view your APN settings in one of the following locations: Settings > Cellular > Cellular Data Network. Settings > Mobile Data > Mobile Data Options > Mobile Data Network. If your device doesn't have either option, contact your carrier. To change your settings, tap each field and enter the details from your ...The main option will be to reset your network settings. You can do this by going to: Settings > System > Advanced > Reset > Reset Wi-Fi, mobile & Bluetooth > RESET SETTINGS. After doing this, test to test if mobile data is working or not. Let us know if this helps! Collin, AT&T Community Specialist. 0.Nov 30, 2018 · Since the update my mobile data stopped working. I tried everything, changing the APN settings, toggling, talking to SAMSUNG India and US to no avail. Here is what was wrong: It seems like AT&T has 3G and 4G/LTE sims this problem is with their 3G sim it doesnt work with the new update unless you roll back to 3G APN settings. How to Fix Cellular Data Not Working 1. Turn on mobile data The first thing you should do when your cellular data stops working is make sure the ability to... 2. Turn off Wi-Fi Your phone doesn’t use cellular data when it’s also connected to Wi-Fi. That’s a good thing because it... 3. Turn off ...I am on AT&T with an iPhone 12, iOS version 16.0 (20A362). As of yesterday my cellular data stopped working — only WiFi will give me Internet. I’ve switched cellular connectivity on and off, up...Dec 7, 2022 · Try a manual scan and select a network other than the one you're currently on. This won’t work in Mexico or Canada. Restart your device. If it has a removable battery, take it out and put it back in. Remove your laptop card if you’re using one, restart your laptop, and reinsert the card. Use the international coverage map to confirm data ... The closer to -120 dBm, the worse your signal. Let’s say you have -50 dBm signal outside (full bars) but have a building or factory lined with any or all types of metal: steel, aluminum, brass, copper, iron, etc. This means it can potentially subtract an additional -50 dBm once it reaches inside for a signal strength of -100 dBm (1-2 bars).1. From the home screen, select the Settings app. 2. Select Cellular. To turn cellular data on or off, select the Cellular Data switch. Note: To turn LTE data on or off select Cellular Data Options > Enable LTE > desired option. Learn more from the Apple support article About cellular data settings and usage on your iPhone. 3. It can take two to five days for data use to post in myAT&T, so amounts shown online may not reflect all use since your last bill. Time stamps for current data or text usage may be off by up to 4 hours in myAT&T. Here are some things to keep in mind: We usually update recent data use every three hours.
Thank you for the information provided, we also recommend reinserting your SIM Card to reset your device and reset your network settings to refresh your connection. Go to Settings>General>Reset>Reset Network Settings. Also, let us know what type of device you are currently using to better assist you with troubleshooting steps.. Shellypercent27s earth materials
The closer to -120 dBm, the worse your signal. Let’s say you have -50 dBm signal outside (full bars) but have a building or factory lined with any or all types of metal: steel, aluminum, brass, copper, iron, etc. This means it can potentially subtract an additional -50 dBm once it reaches inside for a signal strength of -100 dBm (1-2 bars).Oct 1, 2022 · If your plan uses an eSIM, follow these steps: On the new iPad, go to Settings > Cellular Data > Set up Cellular Data. If you see a Transfer button next to the carrier you want, tap it. Then follow the directions to transfer service. You might need to wait a few minutes for the activation to complete. If you don’t see a Transfer button, or if ... Jan 12, 2023 · Open the Settings app. Tap Cellular. Make sure Cellular Data is toggled on. Make sure the apps you want to use cellular data for are toggled on. Note: if you are traveling internationally, follow these steps to make sure your iPhone is set up for data roaming: Opening the Settings app. Tap Cellular. It is important to back up your device before doing this. For instructions visit our Device How to Page and select the Make and Model of your device. Thank you for being part of the Community Forums, and have a great weekend. In some cases, powering down the phone for 3-5 minutes has resolved the data access issue.If your plan uses an eSIM, follow these steps: On the new iPad, go to Settings > Cellular Data > Set up Cellular Data. If you see a Transfer button next to the carrier you want, tap it. Then follow the directions to transfer service. You might need to wait a few minutes for the activation to complete. If you don’t see a Transfer button, or if ...Let’s meet in a Direct Message (DM) regarding your new iPhone 13 and its inability to use cellular data. Please check your Direct Message Inbox. It’s the chat icon next to the bell icon in the upper right corner of the Forums. Looking forward to helping you! Lar, AT&T Community SpecialistUse the AT&T Network Coverage Map. It's easy to check our network coverage in your location: Go to the AT&T Network Coverage Map. Enter an address, state, or ZIP Code, and select the search icon. We'll show you what type of coverage is available. In an area with limited or no coverage?To do this, go to settings and tap on “Wireless Networks” or “Connections.”. From there, switch on Airplane mode and turn off your phone. Wait for half a minute and then turn your mobile phone back on. Go to the same settings section and turn off Airplane mode. After that, check if your mobile data is working again.Check your mobile plan. Inspect the SIM card. It could be Google. Outages and reception. Reset the APN. Reset settings. Factory data reset. Seek professional help. Editor’s note: Some of the ...May 7, 2021 · It would be a pleasure to assist you with reconnecting your data. As stated by our ACE Community member. To resume your data connection you will need to pay for the plan right away for it to work. If you have already paid for the new plan, it appears there may be something else causing this issue. Properly working cellular service is important during electrical power loss, @Aurora69! Let's look into what's disrupting your iPhones' communication in a power outage. If you're at home and your devices are connected via Wi-Fi Calling , when power is unavailable, you will want to keep an eye on your network connection strength which is ...Thank you for the information provided, we also recommend reinserting your SIM Card to reset your device and reset your network settings to refresh your connection. Go to Settings>General>Reset>Reset Network Settings. Also, let us know what type of device you are currently using to better assist you with troubleshooting steps.Turn the iPhone or iPad by holding down the Power button. Wait for at least 10 seconds before turning the device back on again. Now, you will be able to check if the cellular data is working again. Should the device’s cellular data be not working still, then you might need to check the third method. Method 5.Make sure you're properly inserting the SIM card and confirm that your cellular data is enabled. Resetting your network settings in your device will refresh your connection which will improve your service. Using your Samsung Galaxy S21, go to: Settings>General Management>Reset>Reset network settings. There's a device support tool we offer that ...Find outages in your area Select your service Wireless (mobile phone) AT&T Internet, AT&T Phone, or U-verse® TV Get help with Wi-Fi® weak spots Manage connected devices Check for outagesIt can take two to five days for data use to post in myAT&T, so amounts shown online may not reflect all use since your last bill. Time stamps for current data or text usage may be off by up to 4 hours in myAT&T. Here are some things to keep in mind: We usually update recent data use every three hours.Swipe down from the top right of the screen to see the Control Center and look for the Mobile Data icon, which is an antenna to the right of Airplane mode. If it's off, tap it to turn it on ... An Apple Watch Series 6, or Apple Watch Series 3-5 with cellular. A compatible iPhone® (6 or later including SE) running iOS version 11.0 or higher. An AT&T rate plan for your Apple Watch (Cellular). iPhone and Apple Watch (Cellular) must be on the same AT&T postpaid Billing Account. An AT&T Access ID associated with the iPhone. Sync your ....