Phone 4s cellular data network

Hi guys i have a big problem in my iphone i want to change my iphone's APN because it's already open line here in philippines my iphone its from japan i use R-SIM to open line here but not factory unlock but icant use my data here its say to change my APN SETTING>CELLULAR>CELLULAR DATA NETWORK but in my iphone SETTING>CELLULAR> but dont have CELLULAR DATA NETWORK my CELLULAR is not clickable i want to change my APN to use my iphone into facebook or any surfing but i can use it on texting or calling but not in surfing plsss help ihave iphone 4s io8.1.2

Good day thehuman0,
Some carriers do not allow you to change your APN settings. See this article -
iOS: About cellular data network settings (viewing or editing the APN) - Apple Support
Specifically -
To edit the settings, tap each field and enter the details provided by your carrier. The settings should save automatically. Depending on your carrier, you may not be able to edit the cellular data settings.
Thanks for using Apple Support Communities.
Safe computing,
Brett L

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I have an iphone 3G 16GB 4.2.1 - i moved back to canada and got telus mobile service. they cant get phone working because cellular data network tab/button is not on my phone. How do i get it on there

i have an iphone 3G 16GB 4.2.1 - i moved back to canada and got telus mobile service. they cant get phone working because cellular data network tab/button is not on my phone. How do i get it on there

OK. T-Mobile is NOT owned by AT&T... yet... The deal hasn't gone through yet. T-Mobie's US network is not compatible with the iPhone. Lots of things don't work right. There is not, and never has been an unlocked 3G sold in the US. Don't know where the phone originated, but more than likely it was in the US. If that's the case, the phone has been hacked/jailbroken to get it to work.
Have you tried doing a restore or restoring the phone as new? I have to warn you, if you do so and the phone is hacked/jailbroken, it will re-lock to AT&T and will become unusalbe. I think your best bet right now might be to save yourself a lot of grief and just upgrade to new phone from a legitimate source.
I would never even consider buying an iPhone on ebay. 99% or more are hacked, jailbroken and/or stolen.

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.

Having issues with picture messaging get told to go to settings, then general, then network then cellular data network. my problem is there is no such option my phone is a 3gs

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That option does not exist depending on who the carrier is.
Who is the carrier? Are they a supported carrier?
Have you tried Settings > General > Reset > Reset Network Settings?

Why does my phone keep saying could not activate cellular data network?

I can't seem to browse without wi-fi!

While both methods are simple, so to speak, we think you must start by trying out the first method. This is just resetting the iPhone’s data networks so that it auto-configures to suit the changes in the iPhone cellular data network availability.
Open the “Settings” of your iPhone
Go to the “General” Settings by tapping on General
Scroll down to bottom and tap on Reset. You’ll find a reset button there – tap on Reset Network Settings
restart the phone...
Method 2:
You’ll need a working internet connection though. So among the things you’ll need, WiFi is necessary. Make sure your iPhone is jailbroken or unlocked (steps can be found in a lot of resources from the web). Also, make sure you have the APN settings for your carrier ready with you.
Connect your Apple iPhone 4 to the Wi-Fi network so you have internet active on your iPhone
Now, open up Safari on your iPhone and go to unlockit.co.nz
Click on Continue which takes you to the Custom APN generator
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My phone says can not active cellular data network

My Iphone says can not active cellular data network, can I fix this or do i need tech support?

Have you ever used that iPhone before, is this the first time it has gone through the activation process?
Try following along with this video -> iPhone: Troubleshooting activation issues

Can't view Cellular Data network on legally unlocked iPhone 3GS

I bought an iphone from Singapore and those phones come as unlock. Now that I am in the States, I was hoping to use my corporate AT&T sim card for data surfing and all. While I am able to make calls, it says that I am not registered for cellular data network. I was able to surf the web using the same SIM on this other HTC phone.
I was hoping to change the APN settings but that appears to be missing. How can I change the settings to that of AT&T?
Thanks!

Do you know the data plan rate your employer is paying for your HTC phone or for whatever phone the data plan is for?
AT&T's enterprise data plan for the iPhone costs $45/mo.
Sounds like you or your employer will need to contact AT&T customer support.

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You only have to clone your mac when using certain cable modem. You don't clone your mac when using dsl.
Greetings from Northern Ontario, Canada

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.

How to solve this problem? '' can not activate cellular data network failure'' authenticating PDP from already thank you

how to solve this problem? '' can not activate cellular data network failure'' authenticating PDP from already thank you

What does this have to do with using an iPhone in an enterprise environment?
What carrier are you using and where did you get the phone?

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What are the apn settings for cellular data network on iphone 4 using straight talk

i have an iphone 4 and can not get the cellular data network to work unless connected to wifi and i am on the straight talk unlimited monthly plan.also can not send or recieve picture messages.what are the settings for the apn for straight talk for cellular data network?i have talked to several customer serv reps and tech support and supervisors working with straight talk ,but they all tell me sumthing difrent and none of them help.so they transfer me and then say they can only remain on a call a certain amount of time.Help?

Go here on your phone, see if you can add the correct APN settings to your phone:
http://www.unlockit.co.nz/unlockit/

Could not activate cellulare data network??? what is the solution please.

everytime i try to log to the internet through the internet service provider on the phone, i get this message (could not activate cellulare data network)
I was loginig before via wifi meanwhile i do not have wifi and i am forced to use the service provider internet.
What should I do , I tried the soft, hard reset as well as the restart with no sucsses.
any advice???

I had the same issue "Cannot Activate Cellular Data Network" sometimes says "No Internet..or You are not subscribed to a Data Network". The phone works fine on WiFi.
I noticed this issue only yesterday when tried to access my emails via 3G Data, this may have started happening when I recently updated to 4.3.2 and my phone has never been Jailbroken.
I found a fix that worked for me..I'm using T-Mobile Germany.
Go to Settings>General>Reset>Reset Network Settings>enter Pin code if you have lock enabled>choose Reset Network Settings..
Remember doing this may also erase known WiFi networks, so you may have to enter the details again to get connected to a known WiFi network.
My 3G data started to work again after I did the above steps to default factory network settings.
T-Mobile Germany wasn't much help at all. All they could tell me was some crap about my config was in the wrong contract, Duh??
They probably did nothing to fix the issue and I suspect the above resets steps resolved it for me. Give it a try..
Cheers!!

Upgrade iOS6 to Iphone4 and cant activate cellular data network

I have recently upgrade latest os to my iphone 4 & followings are problems im having now with my phone:
1. Map is not working
2. Cellular data network not working
3. Wifi is weak & cant get signal strength like previous os
Appreciate if anyone can suggest what else needs to be check to sort it out or is there any way to move back to previous OS without any data loss?
Regards,
Jishu

First, I hope you did the standard reset of your iPhone. If that doesn't help, then you'll have to contact AT&T. This situation sometimes happens with AT&T. Get to tech support and they can determine if whatever routing that goes on with a cellular network is working for you. BTW, call from a land line, because you'll have to shut off your iPhone and restart. I hope this helps.

Phone 4s cellular data network

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