Hi guys

I've upgraded to 3.0 using pwnage on mac, and now the internet no longer works.

I get :

Could not activate cellular data network : You are not subscribed to a cellular data service

Can anyone tell me what I need to do ?

I've tried doing the forget network settings, and rebooting - no joy.

Go to Settings - General - Network - Cellular Data Network. What do you see?

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Going down the page I see :

Cellular

idata.02.co.uk
vertigo
password


Visual Voicemail

idata.o2.co.uk
vertigo
password

aha, I think thats the problem.

Thats the settings for an iphone contract, which I dont have.

it should have been mobile.o2.co.uk, not idata.o2.co.uk

You got it

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I had this problem too. The 3.0 update wiped out my apn settings for my iPhone. To fix it, either:

1.) Go to Cydia, search for APN Editing, and install. It will put an Cellular Data Network option into Settings>General>Network. From there you can input the APN settings manually. For me, I'm on AT&T so my settings were APN: wap.cingular, Username: WAP@CINGULARGPRS.COM, Password: CINGULAR1. Restart and it worked for me.

2.) Go to unlockit.co.nz and choose your carrier. It will install a profile that changes your APN setting to your carrier.

Hope it helps.

Will it with this method also be possible to get a data connection with the 3gs and and an at&t pay as you go data package? I used to use the 2G with at&t pay as you go data package and get egde but the 3gs does not even let me go on edge with the same sim..?

regards,
Max

This appears to be AT&T up to something.....
See this thread
[iPhone] Could not activate cellular data network: You are not subscribed... - Topic Powered by Eve For Enterprise

Essentially they have done something centrally that is detecting iPhone's (based on the IMEI number I believe) and then with this blocks you from access.

I've had 4 calls with tech support of folks who clearly have little or no clue as to what is going on. I'd bet they are working their network to identify rogue iPhones adn force them onto an "iPhone plan". THis will no doubt cost more and lock you in to 2 a 2 year contract.

I have x2 iPhones - the original 2G which has the problem and a 3G. This also has the problem with a SIM not on an AT&T iPhone plan. The SIM that is on an iPhone plan works fine in both phones (personal testing).
There are solutions including the APN edit mention above and the unlockit site - yet to try as I am not near a Wireless point but I will

For O2 Customers Only

# From the main screen of your iPhone tap Settings > General > Network

# Under Cellular Data Network

* For Pay & Go customers. Tap APN and change idata.o2.co.uk
and enter payandgo.o2.co.uk
(Please note that "o2" needs to be written with a letter "o" and not a zero)

* For Pay Monthly customers. Tap APN and change idata.o2.co.uk
and enter mobile.o2.co.uk
(Please note that "o2" needs to be written with a letter "o" and not a zero)

* You don't need to change your username and password

# Ignore the Visual Voicemail APN box - it's not available to Pay & Go
customers or Pay Monthly customers (with a non iPhone tariff)

# Under MMS

* For Pay & Go customers. Tap APN and change idata.o2.co.uk
and enter payandgo.o2.co.uk
(Please note that o2 needs to be written with a letter o and not a zero)

* For Pay Monthly customers. Tap APN and change idata.o2.co.uk
and enter wap.o2.co.uk
(Please note that o2 needs to be written with a letter o and not a zero)
* You don't need to change your username and password

# Turn your iPhone off and on again

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It worked changing to mobile.o2.co.uk and wap.o2.co.uk in the MMS : )

Thanks I was getting really frustrated and the instructions were really clear.

Much appreciated peeps X