When i try to send a text msg or get on the internet it says could not activate cellular data network? why

when i try to send a text msg or get on the internet it says could not acticvate cellular data network? why

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

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I bought an unlocked 3G and when I try to use the internet, it says 'Could not activate mobile data network'.

Hi all,
I have recently acquired an iPhone 3G 16GB. It is unlocked and I have put my sim card in (Virgin Mobile) and used it without problem when calling or sending text messages. The internet all works fine when connected to a wi-fi network.
In the top left hand corner it says '3G', however if I try anything related to the internet (Safari, Twitter etc.) a message will appear reading 'Could not activate mobile data network'. This is very inconvenient for me. All internet related activities work fine when connected to a wi-fi network.
Is this a problem with all unlocked phones? Is there a solution to this? Or am I simply unable to use the internet without wi-fi on this model?
Any help would be greatly appreciated, all questions may sound silly, but this is my first iPhone and I am very inexperienced with them!
Thanks

First, you don't have a 3G if you have iOS 6.1.4. The 3G cannot go higher than iOS 4.2.1. That is not related to your problem, but worth knowing.
Let's try the obvious first. Tap the Settings icon. Then tap General. Then Cellular. Is Cellular Data on? Is there an entry for APN? If there is contact your carrier and ask what the APN settings should be. If there is no entry don't worry; the APN is automatic with your carrier.

I purchased an unlocked iPhone4 last month. Everything was fine till yesterday. Today morning when I tried to check mail, i suddenly got an error message saying " Could not activate cellular data network: you are not subscribed to a cellular data service"

I purchased an unlocked iPhone4 last month. Everything was fine till yesterday. Today morning when I tried to check mail, i suddenly got an error message saying " Could not activate cellular data network: you are not subscribed to a cellular data service", when I checked on my network settings i was not able to find the cellular data network tab ( where we use to input APN manually). i even tried to restore my iPhone to its factory settings, Still it remains the same. i cant able to connect to Internet using cellular data. help me...Plz..

Where did you purchase it from? There are lots of iPhones sold as "unlocked" which are carrier locked phones that were hacked and are not officially unlocked. These phones are subject to re-locking to the original carrier, particularly when updated.

I cannot connect to the net using 3G, i have ipad2 16GB, i have tried resetting my ipad2, and resetting the network setting, my location is here in riyadh, everitime i try to connect to the net theres a pop message saying "could not activate cellular data

i cannot connect to the net using 3G, i have ipad2 16GB, i have tried resetting my ipad2, and resetting the network setting, my location is here in riyadh, everitime i try to connect to the net theres a pop message saying "could not activate cellular data network, please help me guys thanks.....

Thanks for the quick response. No, I did not get any error messages or any terms-of-usage screen. The employee I told my problem to was not computer savvy either. She just suggested I move to different spots w/in the library to see if that would make a difference. It didn't. When I connected to the library WiFi it did change the Verizon 3G that is usually in the upper left corner to iPad with two to three emanating arcs. I may have to go to the library in the next town. I was able to connect to theirs in the past when I had to download something greater than 20 MB. Unless I really want it, I will probably not even try to download something more than 20 MB due to the hassle. Yeah, I may have been better off getting a normal desktop or laptop and getting WiFi at home. To do that now would mean having my iPad 2 and a desktop computer, which I feel is extravagant. (I know there are a lot of big spenders out there who got the iPad as additional gadget for fun. This is a rich country.) A Verizon rep told me I couldn't set up a WiFi router at home just using an iPad. So it seems like a person who just uses 3G is limited to surfing the net (not even much YouTube because it eats a lot of data) and using email. I read about an app that helps print wirelessly using 3G, but a reviewer said you had to be an engineer to get it done right. BTW, I like the Steelers. I'm old enough to remember Franco Harris and that blond guy whose name escapes me back in the '70s. Since I live in North Jersey I feel I have to support the Giants. But I know football about as well as computers.

I am getting an error message "could not activate cellular data network" with my iPhone when there is no wifi

I am getting an error message with my iPhone whenever I try to access my data with no wifi. It says "could not activate cellular data network". This just started today and has never happened before. Did I change a setting or something?

Hello, romac12.
Thank you for visiting Apple Support Communities.
I have experienced this issue before. If there have been any changes to your cellular account such as adding a line, plan change or upgrade, more than likely there is a provisioning issue on the carrier end. However, I would recommend going through the troubleshooting steps in the article below. If the issue persists, see step 9.
iPhone: Troubleshooting a cellular data connection
http://support.apple.com/kb/ts3780
Cheers,
Jason H.

How to solve the error message "Could not activate cellular data network: PDP authentication failure"when using 3g or gPRS on safari with an iphone 4 and latest software updates

Please can someone help me to solve the error message "Could not activate cellular data network: PDP authentication failure"when using 3G or GPRS on safari with an iphone 4GS and latest software updates. I have tried resetting the network and phone settings. I have restored the factory settings on itunes and still the problem persists.

All iPhones sold in Japan are sold carrier locked and cannot be officially unlocked by the carrier. If you unlocked it, it was by unauthorized means (hacked), and support cannot be given to you in this forum.
Hacked iPhones are subject to countermeasures by Apple, particularly when updating the firmware. It is likely permanently re-locked or permanently disabled.
Message was edited by: modular747

IPHONE 5: can't receive calls & random error messages, such as "could not activate cellular data network" and "no connection - network unavailable, please connect to wifi or cellular network." This occurs even when signal strength or wifi is operational.

IPHONE 5: can't receive calls and random error messages, such as "could not activate cellular data network" and "no connection - network unavailable, please connect to wifi or cellular network." This occurs even when signal strength or wifi is operational, and it does not matter whether wifi is on or off. ATT went through the standard protocol - resetting network, resetting sim card, etc. No changes. Other phones working fine in same region with same carrier. Apple's solution is to restore software, but haven't gone there yet. Anyone successfully addressed this/these issues?

I should point out that it worked when the iPhone was set back to factory settings, but when restored with the backup, data/internet no longer works again, and I get the "Could not activate cellular data network" error message yet again.

My iphone4 says its cinnected to 3g but when i use safari it says "could not activate mobile data network". Any ideas please?

my iphone4 says its cinnected to 3g but when i use safari it says "could not activate mobile data network". Any ideas please?

Further, if you are not in your home cellular carrier's area, you need to set Settings > General > Cellular > Data Roaming = "On".

HT4993 getting error message could not activate cellular data network when trying to access the internet without using wifi. what do i need to do? i have already restore the phone.

getting error message could not activate cellular data network when trying to access the internet without using wifi. what do i need to do? i have already restore the phone.

contact your phone carrier as they handle cellular network.

When trying to use internet without Wifi I get a "Could not activate cellular data network - PDP authentication failure". What is the solution?

When trying to use internet, i get a" could not activate cellular data network - PDP authentication failure" Message. how to solve this problem?

If you have a data only plan for the iPad with your carrier, if no change after powering your iPad off and on you will need to contact your carrier.

My i pad 2 is stuck,even cannot turn off.when i try to restore through pc,it come out with the words"i tunes could not back up the ipad because a session could not be started with the ipad",may i know whats the problems?tq

my i pad 2 is stuck,even cannot switch off and cannot restore

Hi mattlim,
Welcome to the Apple Support Communities!
I understand that you are receiving an alert that your iPad could not back up because a session could not be started. To troubleshoot this situation, I would recommend reading over and working through the information in the attached article.
If you can't back up or restore your iPhone, iPad, or iPod using iTunes - Apple Support
Best regards,
Joe

HT4623 My deleted contacts still show up when I want to send a text message. But when I go to my address book there not there only when I want to send a text MSG there name comes up and if I select them it only show there number not name in the message.

My deleted contacts still show up when I want to send a text message. But when I go to my address book there not there only when I want to send a text MSG there name comes up and if I select them it only show there number not name in the message. How an I get rid of that

Try this...
have a text convo with the person you want to delete. Go to the top contact in the text convo, hit edit contact, and delete that contact.
That resolution came from another thread on this issue, and this did solve to poster's issue.

My deleted contacts still show up when I want to send a text message. But when I go to my address book there not there only when I want to send a text MSG there name comes up and if I select them it only show there number not name in the message. How an

My deleted contacts still show up when I want to send a text message. But when I go to my address book there not there only when I want to send a text MSG there name comes up and if I select them it only show there number not name in the message. How an I get rid of that

Try this...
have a text convo with the person you want to delete. Go to the top contact in the text convo, hit edit contact, and delete that contact.
That resolution came from another thread on this issue, and this did solve to poster's issue.

When I try to send a text it doesn't send until i touch it and a bar comes up saying send as text. help

When I try to send a text it doesn't send until i touch it and a bar comes up saying send as text. help

In Contacts, do you have your sister's cell phone number and email address entered with her contact info?
If so, you were provided the option for which one to select - her cell phone number or email address. If her email address was provided first with the autofill feature, you must have selected her email address instead of her cell phone number below.
Regardless, if the message won't send delete it and start over making sure her cell phone number is selected when addressing the message.

When I try and send a text it won't let me send it as iMessage for some reason, why is that?

When I try to send a text to someone else who also has an iPhone; it won't let me send it as iMessage. It say message send fail or it just goes straight to text message. Please help.

The following may help: http://support.apple.com/kb/ts2755

When i try to send a text msg or get on the internet it says could not activate cellular data network? why

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