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Level 1: Joiner
RooBarbRoo
Posts: 2
Registered: ‎29-10-2009

Cannot activate cellular data network on the IPhone

Thought I would share my problems with this and how I solved them as I have seen a lot of queries about this and hope this could save you the amount of time I have spent trying to work it out.

My husband has an O2 sim card and got my son's old iPhone off him to use. He kept getting the message above every time he tried to get onto the Internet when not connected via WiFi.

I solved it as follows:

Going into Settings
Going into General
Going into Network
Going into Cellular Data Network

The original APN was idata.o2.co.uk

I changed it to mobile.o2.co.uk
and it now works fine.

I would be intrested to know if it works for others who have the same problem.
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adamtemp64
Posts: 13,396
Topics: 222
Kudos: 953
Solutions: 1,018
Registered: ‎13-08-2008

Cannot activate cellular data network on the IPhone

http://shop.o2.co.uk/update/settings.html

Is where the info is and posted many times on here
2 iPhone 5s 32gb on 4g 8gb tariff 1 iPhone 4s 16gb sim only on business contract
iPad 3 wifi-3g 64gb
My first mobile was in 1995 a CM-R111 from sony on Cellnet.
Henstridge Rural South Somerset (still 2g only and it is 2014)
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Level 1: Joiner
RooBarbRoo
Posts: 2
Registered: ‎29-10-2009

Cannot activate cellular data network on the IPhone

It's funny how the member of staff in the shop did not know anything about it and was telling me to send the phone off to get fixed. Would have saved a lot of time for me :mansurprised:
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Level 1: Joiner
coleyo93
Posts: 1
Registered: ‎02-11-2009

thanks

http://shop.o2.co.uk/update/settings.html
Is where the info is and posted many times on here


thank you so much, i have taken my iPhone to the carphone wearhouse, have rang customer services, searched online, asked friends...and nothing!

And all i had to do was change one #### setting, thank you, life saver x
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Level 1: Joiner
fps_cod
Posts: 1
Registered: ‎20-12-2009

Cannot activate cellular data network on the IPhone

I have done this and it fixed my problem, but i want to know why i had to do this as i am on the Iphone 35 tariff. Surely i should not of had to do this?? as it say to change it for non- iPhone tariffs...
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adamtemp64
Posts: 13,396
Topics: 222
Kudos: 953
Solutions: 1,018
Registered: ‎13-08-2008

Cannot activate cellular data network on the IPhone

there was a data outage that could have caused your fault.

I would do a reset network settings to restore the iphone pay monthly settings if it still fails ring customer services to ensure your account is setup correctly.
How to do a reset network settings look at the link in my signature.
2 iPhone 5s 32gb on 4g 8gb tariff 1 iPhone 4s 16gb sim only on business contract
iPad 3 wifi-3g 64gb
My first mobile was in 1995 a CM-R111 from sony on Cellnet.
Henstridge Rural South Somerset (still 2g only and it is 2014)
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fix
Level 1: Joiner
fix
Posts: 1
Registered: ‎19-09-2014

Re: Cannot activate cellular data network on the IPhone

thanks life saving

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Level 3: Ponderer
Focie
Posts: 122
Registered: ‎18-09-2012

Re: Cannot activate cellular data network on the IPhone

Does this work? Mine was working but now it's not, turned the phone off and on now is just searching
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MI5
Posts: 27,998
Topics: 255
Solutions: 2,996
Registered: ‎04-04-2012

Re: Cannot activate cellular data network on the IPhone

Hold home and power for about 10 secs until the Apple logo appears on screen.
Samsung S3 i9305 Dual SIM. Asus Fonepad.
Samsung AtivS WP8.1 Samsung Note 4.
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Level 3: Ponderer
Focie
Posts: 122
Registered: ‎18-09-2012

Re: Cannot activate cellular data network on the IPhone

Did that but still saying searching? Do I need to change the setting then do it? And should I change the mms and visual voicemail one to?
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