Losing service+cellular data cannot be activated

I've been having some issues with my iPhone 3GS recently. After contacting my provider, Bell, and getting a new SIM card, my issue was only temporarily resolved.
My phone continues to say no service, or if I do have service, it says cellular data cannot be activated and I cannot receive text messages or use the 3G network.
I've tried everything but restoring my iPhone, any tips would be great.

Cellular data issue is a carrier feature, so give your cell provider a call.

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Cellular data cannot be activated all of a sudden ?

what happened , for no reason ?

Cellular data issue is a carrier feature, so give your cell provider a call.

HT4623 Could not activate cellular data network. You are not subscribed to a cellular data service" "Cellular Data Plan Usage-There is no data remaining on your current plan. Would you like to add more data now?"what is the best thing i can do with this p

Could not activate cellular data network. You are not subscribed to a cellular data service"
"Cellular Data Plan Usage…There is no data remaining on your current plan. Would you like to add more data now?"what im going to do whit this problem??

I have done that and it is definitely on. My husband has the exact same phone and I upgraded his IOS at the same time, but this problem is not happening to his phone (we are also on the same plan, so our service should be the same). Our settings appear to be identical and my phone is showing the 3G symbol at the top, so I can't understand why it won't access the network.
I've turned it on and off twice and have reset all settings with my iTunes account, but it still isn't working.
I'm not a complete idiot with this sort of stuff - I have tried all the obvious things.

If I Switch Location Services & Cellular Data Will I Be Charged by the Telcom?

Hi. Will I have additional charges from the cellular company if I switch ON the Location Services and Cellular Data. My SIM, my iPhone is prepaid, I'm not on a plan of any kind. My load credit seems to be consumed too fast and I was only doing very few local SMS messages. I only use wifi for the internet when I'm using the iPhone's Safari or the App Store or YouTube. My iPhone is the 3G (I hope to buy version 5 this October hopefully if it's has significant updates). Thank you in advance. Recommendations to solve this load credite being consumed too fast are welcome.
How about push notification? Does it add to cellular charges.
Gbu,
Alvin

If you switch on cellular data and you use safari, YouTube..etc on the cellular network....Yes your are using data. Hence you are being charged for it. Some apps use location services . If that is so then yes it needs to use cell data to track you. Push notifications as well. Not sure on the 3G depends on iOS version ... Been awile since I've used it..but I know on my iPhone 4 you can turn on and off location services for particular apps.

Cannot activate cellular data network (intermittent)

During the past couple weeks I've noticed the data connection on my iPhone 4 (iOS 4.3.4), particularly when moving across town, is unavailable. It's been fairly consistent in not being able to use the data connection and I've received errors saying the cellular network cannot be activated or that Safari cannot open the page because it is not connected to the Internet. If I turn airplane mode on and then back off it lets me use the data network again.
I'm wondering if anyone else has been having this problem.
Thanks

unlockediphone4s64gb wrote:
Is this an issue (or related) to the sim card issue?
Could be, but I'd first suggest restoring the phone, as you are now doing.

Lost cellular data connection

Iphone 4...AT&T...I have been losing my cellular data connection for hours at a time not dependent on location. Upgrades to 6 last night...AT&T says it appears I am connected...reset network connections, next step full reset...anyone else having this issue?

Hello Theresa818,
Thank you for using Apple Support Communities!
It sounds like the cellular data will not activate for some reason on the iPad.
I found this article that will help you resolve this issue here, named iPad (Wi-Fi + Cellular Models): Troubleshooting a cellular data connection, found here http://support.apple.com/kb/TS4249
Check for a carrier settings update.
Update your iPad.
Toggle the Cellular Data setting off and on under Settings > Cellular Data.
Restart your iPad.
Tap Settings > General > About. Locate the Carrier entry and make sure that your carrier is correct.
If your SIM card has SIM PIN enabled, try turning it off: Tap Settings > Cellular Data > SIM PIN.
Make sure you're in an area of good coverage. If the cellular data connection works in another area, contact your carrier to report the original affected area.
Reset network settings: Tap Settings > General > Reset > Reset Network Settings.
Restore the iPad as new.
If none of the above steps resolves the issue, make an appointment at an Apple Retail Store, contact your carrier, or contact AppleCare to troubleshoot further.
I know you may have done one or two of the steps here, so you can skip those.
Take care,
Sterling

When iPhone is on Cellular data and WiFi, i cannot make calls and phone goes out of service.

So I have this iPhone 5S unlocked version from the US which I am using in India. When I am connected to my office wireless and also the cellular & 3G data are switched on, my phone goes out of service and I cannot make calls. I can also use internet.
However this works great when I get onto my home WiFi along with cellular & 3G data switched on, I can make calls and also surf the net with the WiFi.
Is anyone having similar issue? I am sure there is something with the office WiFi but what could it be to get my phone out of service.
Any thoughts anybody ?
Thanks,
UG

Yes I shutdown WiFi and I can connect to 3G on Cellular. I can make calls.
If I shutdown Cellular and connect WiFi. I can make calls.
Its just that when both are ON, then no calls can be made.
All combinations work good with Home WiFi.
-UG

I just updated my iphone 4 to 5.0.1 and yet i encounter a problem which is that i cannot get to the internet while it always says : you are not subscribed to the cellular data, or it's not been activated. Please help me my carrier is AT

I just updated my iphone 4 to 5.0.1 and yet i encounter a problem which is that i cannot get to the internet while it always says : you are not subscribed to the cellular data, or it's not been activated. Please help me my carrier is AT

Check to make sure cellular data is not disabled in settings. If it's on, try re-setting the phone. If that doesn't fix it, call AT&T.

HT4157 I have a cellular data account on my iPad. Almost immediately after I signed up, my e-mail was hacked and had to be cancelled. I cannot get into my AT&T cellular data account now to change the billing and account to my new e-mail. Please help.

I have a cellular data account on my iPad. Almost immediately after I signed up, my e-mail was hacked and had to be cancelled. I cannot get into my AT&T cellular data account now to change the billing and account to my new e-mail. Please help.

According to the AT&T Wireless web site, you can manage your iPad data plan either from the iPad, or by using a web browser:
From the website
Log in to your account at att.com/iPadlanding using the email address and password you used during activation.
Your account information will display. Select the desired account change option then tap Next.
Read the Terms of Service, and then tap Accept.
Review the Payment Summary to ensure the details are correct. Use the Back button if changes are required, otherwise tap Submit.
Read the Confirmation message then tap OK.

I have had my IPAD2 for quite a while but haven't activated my cellular data for about a year. I am now trying to activate and when I go to cellular data, turn it on and try to tap view account i just get a message that says "connection to server lost".

I have had my IPAD2 for quite a while but haven't activated my cellular data for about a year. I am now trying to activate and when I go to cellular data, turn it on and try to tap view account i just get a message that says "connection to server lost". I could swear the last time I used cellular data you would see the signal in the upper left corner and I only see "no service" there, I am in a location where I know I should have service. Is there something I should do to my IPAD? I tried resetting, I tried clearing cookies and history in Safari (after reading a post n these discussions). I don't know what to do next. My IOS version is 6.1.3. I did go into Network from the general tab and I see it says "SIM not provisioned". HELP and Thank you in advance.

Hello Theresa818,
Thank you for using Apple Support Communities!
It sounds like the cellular data will not activate for some reason on the iPad.
I found this article that will help you resolve this issue here, named iPad (Wi-Fi + Cellular Models): Troubleshooting a cellular data connection, found here http://support.apple.com/kb/TS4249
Check for a carrier settings update.
Update your iPad.
Toggle the Cellular Data setting off and on under Settings > Cellular Data.
Restart your iPad.
Tap Settings > General > About. Locate the Carrier entry and make sure that your carrier is correct.
If your SIM card has SIM PIN enabled, try turning it off: Tap Settings > Cellular Data > SIM PIN.
Make sure you're in an area of good coverage. If the cellular data connection works in another area, contact your carrier to report the original affected area.
Reset network settings: Tap Settings > General > Reset > Reset Network Settings.
Restore the iPad as new.
If none of the above steps resolves the issue, make an appointment at an Apple Retail Store, contact your carrier, or contact AppleCare to troubleshoot further.
I know you may have done one or two of the steps here, so you can skip those.
Take care,
Sterling

IPhone 5 cellular data services failing

ISSUE/SYMPTOMS: iPhone 5 ONLY: Cellular Data stops intermittingly, cellular data locks up without warning, Wi-Fi data connection not working on occasion, iCloud contacts, calendar and reminders not updating, Find My Phone not working, mail or Internet not available or server time-outs. No error messages though. All of these are symptoms of no data service. Problems seem to be related to iPhone 5 failing to switch between LTE and 4G or 3G data services on AT&T.
My iPhone 5 32GB AT&T version (iOS 6.0.2) along with my clients and family using iPhone 5 in the state of Oklahoma are having this issue on their AT&T iPhone 5's: no cellular data connection re-established if at anytime the LTE connection is lost or weak. As with iPhone's prior to iPhone 5, the iPhone 5 is supposed to drop down to the next tier of data service and re-connect to cellular data service when the higher speed cellular data service is not available. Apparently this is not working well on the iPhone 5.
What led me to research this LTE issue was that my iPhone was not syncing on iCloud with contacts, calendars and reminders with my other iOS devices. Other times this issue became apparent was when iMessage quit sending and receiving until I would reboot my iPhone (sometimes it would finally send the message as a “text message”). When I had these problems I also found out I was not getting any cellular data service for Internet browsing, mail, Maps, Find My iPhone, etc. This would happen without notice. In other words I would not receive any notice or error message that data service had stopped other than the fact I was not receiving any mail, iMessages, or iCloud sync updates. My only resolution was to reset or reboot my iPhone several times a day, and that would resolve it about 70% of the time.
I have talked to Apple Support on 2-3 occasions in the last week and AT&T Support twice in the last 2 days. If it is really true, only the AT&T Technical Support Advisor informed me of a nationwide issue relating to iPhone 5 and LTE: iPhone 5's are not re-connecting to 4G or 3G cellular data service once the LTE data connection is lost or dropped... the voice calls continue to work, but cellular data service fails and stays locked up without an error message until the customer reboots the iPhone.
Obviously this is very unacceptable. We depend on these data services and at minimum need to know when it stops working instead of finding out from a phone call that someone sent us an important email or something.
The AT&T representative also said that both AT&T and Apple are aware of and are working on the issue as it is a nationwide problem with iPhone 5 and LTE. The Apple Support Advisors I talked to made no mention of this "known" issue. AT&T said that it is partly AT&T responsibility because the capacity of LTE is overloaded and cellular data connections are dropping because of the lack of coverage and/or capacity. They actually refunded my data service for a whole month in apology for the inconvenience (I did not even ask for that--I just want my data service to work). But they also said that Apple has responsibility in this issue because the iPhone 5 should drop down and re-connect to the next lower tier of data service when LTE is not available or lost; instead, it is locking up somehow or it still thinks it is connected to LTE when it is actually not. I don't know how accurate these statements are, but my problem is real.
TEMPORARY WORK-AROUND / FIX FROM AT&T: Disable LTE on the iPhone 5. Or when you figure out that data is not coming to your iPhone, use Airplane Mode ON/OFF for a few seconds to force re-connection to a tower without rebooting the iPhone. You can Disable LTE on the iPhone 5 in SETTINGS/GENERAL/CELLULAR. I have disabled LTE on my iPhone 5 and have not had any of these cellular data issues since.
Disabling LTE is not acceptable either, but it is working. At least I seem not be losing connection or locking up without knowing it. In my office over the course of a day, my iPhone 5 will jump back and forth on LTE and 4G sitting in the same place. Disabling LTE has stopped this and the problem, but the iPhone 5 should switch cellular data services seemlessly just like the phone switches towers on a phone voice call seemlessly (most of the time).
WI-FI ALSO STOPS WORKING SOMETIMES AFTER THIS LTE disconnect / lock-up issue: That has been my experience along with my clients and family as well. If you use Wi-Fi a lot on your iPhone it will hide this LTE issue until you leave your Wi-Fi and get on LTE and then drop LTE (silently) and then go back to your Wi-Fi. My experience has been I have to reboot the iPhone to even get Wi-Fi working again after that happens.
I do not know if some of these comments and analysis are really accurate or valid or not... all I know for sure is since I upgraded my iPhone to the 5 along with my other family members and clients, we have had "no data" on many occasions and are continually rebooting our iPhones and looking for what is wrong.
My questions to the support community are these:
     1. Is anyone else having this issue? Or is it just me and my few? Maybe a lot of people do not realize they are not getting their data because they are on Wi-Fi most of the time or they are just rebooting and not trying to identify the real problem. AT&T said it was nationwide iPhone 5/LTE issue. Anyone else heard that from either Apple or AT&T?
     2. Is this an iPhone 5 / Apple issue or is AT&T solely responsible? Or is it both? Where do we get a solution??? Is AT&T LTE holding false connections with iPhone 5 or is the iPhone 5 failing to recognize a dropped LTE cellular data connection and then failing to attempt to re-connect with 4G or 3G?
     3. Did I miss where this issue is posted? I searched Apple Support and Communities and did not get any hits. Any updates or further insight on the issue? Any other fixes other than Disabling LTE?
      4. If this is in fact a real issue belonging in part to the iPhone 5, we need to escalate Apple’s attention to it.
Thanks in advance for your help and feedback.

Thank you fellow users and experts for your feedback and updates. Sorry about the large font on the original post... accidental via cut and paste.
I have escalated the issue with both Apple and AT&T. I actually got senior level troubleshooters from both Apple and AT&T on the phone at the same time... rare moment. Here are the key points of the update:
     1. AT&T did NOT confirm the earlier statement by another AT&T Technical Support Agent that this was an emerging nationwide issue about iPhone 5 and LTE losing data connection and not reconnecting at a lower level or re-connecting to LTE once the signal came back. So that earlier statement was not accurate as suspected by all of us. The senior tech at AT&T said he has seen this issue sporadically over the last month or so, but only with about 3-4 customers. He said it seems to be location or phone dependent (some phones not all phones).
     2. The Apple Tech was satisfied that all that could be done to eliminate my issues possibly relating to my instance of software / iOS had been accomplished except erasing my iPhone and restoring as a new phone (I have avoided this inconvenience with the argument that other family/clients with the iPhone 5 have had the same problem).
     3. AT&T went so far as to examine which towers I had been connecting to over the last week and looked at other technical data that could possibly explain the issue. I now know I have 3 towers that provide LTE within 4 miles of my home/office, one within a half mile. But so far there is nothing to explain or even properly identify the issue. AT&T offered me to take my phone to an AT&T store, try to force replicate the problem there, if so, the store would put my SIM card in a brand new iPhone 5 (just to test) and try tor replicate the problem again. If replicated on a new phone, there is a deeper issue; if resolved on a new phone, the answer is obvious. I have not taken the time to do this yet.
     4. On Friday, Jan 4, 2013 while talking and between the tech support calls (on a different phone), I was able to re-create the problem 2 separate times in my home/office by forcing my iPhone to weaken its connection to service (burying it under electronic gear) and then waiting a few minutes, then trying to browse the Internet--no data service unless I manually reset the connection. I am only able to cause the issue to occur if there is at least 15 min of idle time after a weak signal condition AND only if I don’t completely lose a connection to cellular voice service. It seems that if you go down to NO SERVICE the phone will do new a search and keep searching until reconnects to LTE or other signals correctly, but a weak connection seems to be strong enough for voice service but can sometimes cause the LTE data service to stop without reconnecting to LTE, 4G or 3G unless I manually intervene. It also seems that idle time with a weak connection is also necessary to re-create the problem manually. Since Friday, I have not been able to re-create the problem. This has been an intermittent problem, so who knows.
FYI, I have never had this problem with my new iPad (also on AT&T LTE) that has been with me when the iPhone fails to have data service, but my iPad is never in my pocket or other places with perhaps less signal.
Again, if you are connected to Wi-Fi on your iPhone 5 most of the time, you may never notice this issue if you are even having it.
So far no progress on the real issue or resolution, but both Apple and AT&T have put forth very admirable effort.
If you or others you know are having this issue, please take the time to post a reply to this issue. Thank you.

I did an update to my wife's iPhone and now it won't connect through the 3G. It says you are not connected to a cellular data service

I Updated my wife's iPhone the other to the new operating system. It asked me first to use iCloud backup so I did. After the update was complete my wife can use wifi but when we try the 3G it says you are not connected to a cellular data service.
IT shows Bell as the provider but we seem to have lost something during this update.
can someone help me please.

Check Settings>General>Cellular and make sure Cellular Data is set to On. If it is, try putting it in Airplane mode for 15 seconds, then turn Airplane mode off again. If it persists, give you carrier a call to confirm that it's properly activated with them and that your data plan is properly provisioned.

I just upgraded my ipad OS and now my ipad is not picking up the 3G network. Why and how do I fix this? When I go into cellular data and view account it says my ipad is activated and ready to go. What gives???

Why and how do I fix this? When I go into cellular data and view account it says my ipad is activated and ready to go. What gives???
It was working fine up until I upgraded the OS which I hadn't done in many versions so the ipad was not working as well as it should. Now it is searching for the network.
.

Hello noodles074!
Let's get your device working again! It's possible that your device just needs to be reprovisioned on our network. Please go to Settings>General>Reset>Subscriber Services>Reprovision Account. This may take several minutes. After allowing about 5 minutes for completion, please power your iPad off and back on, and test it again. Let us know if this takes care of it!
Thank you,
MichelleH_VZW
Follow us on Twitter @VZWSupport

"iTunes Accounts" System Service just used 1.1 GB of cellular data in 14 hours!

Ttitle sums it up. 14 hours ago I activated my new iPhone 6 on T-Mobile, porting my number from AT&T. In this time, even though my phone has been on WiFi for over half of it, the "iTunes Accounts" System Service (Settings>Cellular>System Services) has used 1.1 GB of data. As far as I can tell, after searching extensively, this appears to be a record. Something is broken here, no?
On my 5S (or 5, or 4S, or 4, or 3GS, etc... you get the idea) I averaged less than 1 GB of total cellular data usage per month.
Anyone have any clue what's going on here?

Following up... My carrier confirmed that this usage occurred within a 3 hour window, so it's even worse.
I spoke with a Senior Advisor at Apple. You could literally hear the guy shuffling papers and mashing his keyboard. He had no clue what the iTunes Accounts system service actually is. He guessed at about 5 different things that are iTunes related (like Match - which I haven't used since switching phones), but none of his guesses could explain why 1.1 GB of data would be used in 3 hours. 1.1 GB would be like playing music off of Match for around 19 hours straight (assuming 128 Kb/s).
I had to have been the victim of some sort of server side error on Apple's part. Something that probably only takes a few MBs to resolve, like my Match database (names of artists, albums, etc), probably got pushed a few hundred times. I can't think of any other explanation.
Still open to ideas and hoping this isn't a every day occurrence.

Cannot activate cellular data network you are not subscribed to

Cannot activate cellular data network you are not subscribed to a cellular data service. Never happened until I have switched to boost. I have spoken with them for hours and they say it's fine from their end and I've reset network settings, replaced my nano sim for my iPhone 5, restored my phone played with wifi on and off airplane mode on and off I don't know what else I can do. Please help me experts!

Under "settings / general / network" is your "Cellular Data" button set to "ON"?

Losing service+cellular data cannot be activated

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