No data service on iphone 5

My Iphone 5 cannot recognize any data service. I've removed the sim card several times and nothing happens. It recognizes the card but cannot my serive provider (tmn portugal) but it finds WIFI. I've tried my SIM card on diferent iphone 5 and it works, and another SIM on my iphone and it still doenst work. It was working fine today and suddenly, no service. Can someone help or had a similar problem?

Do you have cellular data turned on in the iPhone settings menu?

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TS2774 How to subscribe a cellular data service in Iphone 4s

How to subscribe a cellular data service in Iphone 4s

If you did not edit the Cellular Data Network settings on your iPhone and you are unable to use Cellular Data Network services, try turning off and then turning on iPhone. If the issue persists, contact your carrier about the availability and provisioning of these services on your wireless account.

I bought new i phone 5 3 days back, after that asked for new update which is 6.1.4, after updating my iphone i am not able to use cellular data services. I called up data provider, they says its the problem with new software update. There is no option add

I bought new i phone 5 3 days back, after that asked for new update which is 6.1.4, after updating my iphone i am not able to use cellular data services. I called up data provider, they says its the problem with new software update. There is no option add APN. Now when i switch to safari its showing you are not subscribed for cellular data. But I am able to use data on other phone.
Will you please help me in this regard?
Another issue, since i bought my new iphone there is dust inside back main camera.
Your advises are highly appreciated.

Hey Shaiju isac,
I'd take a look at the following article, it'll guide you though steps to you troubleshoot cellular data issues on your iPhone:
iPhone: Troubleshooting a cellular data connection
http://support.apple.com/kb/ts3780
Cheers,
David

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.

HT4623 Hi. After I updated ios6, I couldn't use my cellular network. It said "could not activate cellular data network - You are not subscribed to a cellular data service". I don't know why. My iphone is 4s

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Contact your carrier to ensure data access via their network is provisioned properly for your account and iPhone with the new iOS 6 update installed.

Since upgrading my iPhone 5 to ios 7, I cannot get the internet, email to work on 3g. I get the message ""could not activate mobile data network. You are not subscribed to a mobile data service". How do I fix it?

Since upgrading my iPhone 5 to ios 7, I cannot get the internet, email to work on 3g. I get the message ""could not activate mobile data network. You are not subscribed to a mobile data service". How do I fix it?
I've contacted o2, tried all of their suggested updates and changes, reset my phone 3 times and still no luck.
Any help appreciated.
Thanks,
Louisa

Hi, l have the same problem, were you able to resolve?

Why is my iphone saying not subscribed to a mobile data service

why is my iphone saying not subscribed to a mobile data service

Most likely because it is not subscribed to a mobile data service.
Check with your cell carrier to ensure that your cell data plan is properly provisioned or get a new SIM for it.

Can iPhone 4 cache e-mail activity until data service is available?

If I am in an area where data service is unavailable - say, on a subway train - if I use the e-mail app, it complains that data service is not available, and any changes that I make (i.e., deleting a message, marking a message read, etc) is not saved or reflected against the associated e-mail account. Is there any way to change this behavior, so that the iPhone works more like other e-mail devices (specifically, Blackberry or a device running GoodLink)?

If I am in an area where data service is unavailable - say, on a subway train - if I use the e-mail app, it complains that data service is not available, and any changes that I make (i.e., deleting a message, marking a message read, etc) is not saved or reflected against the associated e-mail account. Is there any way to change this behavior, so that the iPhone works more like other e-mail devices (specifically, Blackberry or a device running GoodLink)?

New iPhone 5 "not subscribed to a mobile data service". I have reset mobile network setting several times but issue persists.

I am having a similar problem with my new iPhone 5. I just bought it few days back but unable to use the internet. I am getting a message "not subscribed to a mobile data service". I have reset mobile network setting several times. But the problem doesn't go away.

agree m also having same problems and same notifications...

My iphone 4 has droped on ground.,nd frm that day am getting signal problem,...!!!there is error of "No Service" or "Searching",...is this coused bcoz of dat damage of iphone my falling n da ground...!!! i came to know dat there is a problem on IC signa

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i came to know dat there is a problem on IC signal antenna,....!!!
what is the cost of repairng it....!!!
nd is dat problem occured due to it falling n da ground...!!!

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When I was talking on phone, suddenly the phone was switched off. i tried to switch it on but it gave the message....connect to itunes for set up. when I connected it to itunes...it gave the message, itunes can not read data from this iphone, restore it

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If it's a hardware problem, then the phone will need to be replaced.
There is no magic that can fix a hardware problem.

How do I transfer data from one iPhone to another?

How do I transfer data from one iPhone to another?

If your old device is an Apple using iOS 5 or later, and you have an iCloud account, you can transfer all your saved messages, email accounts, photos, notes, and other personal settings to your new iPhone.
Here's how...
Connect your old Apple device to WiFi and to a power source.
Back it up to iCloud by going to Settings > iCloud > Storage & Backup and toggling iCloud Backup on. The time it takes to ba ckup depends on how much data you have and on the speed of your internet connection.
iCloud backs up your device once a day. If it needs backing up before you transfer to your new iPhone 5, tap Back Up Now in Settings > iCloud > Storage & Backup. Do not start transferring before the backup is finished.
Turn on your new iPhone and complete the setup by selecting your language and country, and choose whether to enable Location Services. When prompted, choose your WiFi network.
When prompted to set up, choose Restore from iCloud Backup, tap Next, and enter your Apple ID and password.
Select the backup of your old device and tap Restore. Wait until the device has finished restoring from the backup.
When the restore process is complete, your iPhone will restart and be ready to use.
Connect your iPhone 5 to iTunes to sync data not contained in the backup (such as music, videos, apps, and so on). You can choose the data that are synced by clicking the syncing tabs in iTunes.

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I have subscribed for data service I have been using for more than a week after making update of ios 6.0.1 to 6.0.2 I have been facing this problem it's shows that your not subscribed to cellular data service. It's because of software update only I changed my sim to another device it works perfectly. It does not work properly on iphone 5 only

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I live in southwest Orlando and have become very frustrated at the lack of data availability in the area. I almost always have good cell service. Never a dropped call and usually plenty of bars on my iPhone 5. However, there are several areas where I may have five bars - but no data service at all!
Please advise if this is being addressed as my wife and I NEED reliable data service for our jobs.
Thanks,
jaw1079

Hi Jaw1079
Let's get you the service you deserve! What zip are you in? Please try this and retest: http://vz.to/1oUnxMy
JoeL_VZW
Follow us on Twitter @VZWSupport

No data service on iphone 5

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