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The iPhone 3.1 O2 issues

By Benny Har-Even in Editorial

Posted in iPhone on September 14, 2009 at 3:26 pm

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The other day I helped out a few people by detailing the how to solve the, “Could not activate cellular data network: You are not subscribed to a cellular data service”, message popped  up on the iPhone following network updates applied via iTunes.

Though I thought I’d seen the back of this little issue, I was surprised too the message pop up again over the weekend. At first I thought it was just a glitch as the iPhone swithed to Wi-Fi at home, but once out and about I realised it was back with a vengeance with the results that once again I could no longer browse via O2.

Popping back into the settings I discovered that  my phone has somehow reverted back to the old APN settings of ‘idata.o2.co.uk’. This is correct for contract iPhones, but as I bought mine outright (could not face the 18-month lock-in) and am on O2’s Simplicity Tariff, these APN settings are not correct and should be mobile.o2.co.uk for Cellular Date and wap.o2.co.uk for MMS.

So why had it reset? I immediately realised it happened after I’d upgraded to iPhone OS 3.1that came out last week.

I’d held off for a few days as I was aware of a few horror stories of  bricked iPhones following the update, but after carefully balancing the successes and failures via a Twitter poll, I decided to take the plunge, manually backing up first of course.

Mine has appeared to have negotiated this little hurdle successfully until the browsing issue, but it just seems to have reset the APN data and no harm done.

But in case you’re on a non-contract iPhone, now you know.


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