unlocking a Iphone 3G

[Anonymous]

I am trying to use my Wife's old Iphone 3G on a different network and am having trouble getting it unlocked.

When I insert the new network SIM I get 'No service'. I also inserted my PAYG O2 SIM and I get the same message!

I understand I need a working SIM in the Iphone for O2 to unlock it?

Any suggestions?

[Cleoriff]

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@jonsie wrote:

It's all in the wrist action......:smileywink:

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Deleted. I thought it wiser.....

[anticpated]

You mean like when you play Squash and Bandmindton. Whatever else could you mean? 

[Anonymous]

Thanks for the link, I had already looked at that method. The original number for the iPhone 3 has been transferred to a newer phone so is no longer associated with this handset. The unlock form requires a mobile number. As it is in use on a different handset, I don't think I can use it to have the unlock done.
There must be a way, I can't believe this hasn't been done before?

[jonsie]

Get an O2 P&G sim, add £20 credit, make a few calls leaving at least £15 credit to pay for the unlock. Then send in the form or call customer service. There is no other way unless you use a third party to unlock.

[Anonymous]

Thanks for the advice, I had read that was a way to do it but was hoping to avoid buying a redundant payg sim. Looks like the easiest way forward though. Thanks again

[MI5]

Try it with the number you used on that phone.
If the number is still linked on the computer it will work.