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iphone 4 - changing from contract to pay & go - No SIM issues

Anonymous
Not applicable

I have just upgraded my iphone 4 to iphone 6 and have given my Mum my old phone to use. She is currently on O2 Pay & Go. I have put her sim into the phone but it is currently showing 'No Service' do i need to unlock the phone with O2 or change the settings. 

 

Many Thanks

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MI5
Level 94: Supreme
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If it's an O2 phone and an O2 sim there is no need to unlock it.
Just connect it to iTunes and it will install the correct carrier settings for you.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)

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Cleoriff
Level 94: Supreme
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The phone will be set to contract APN ...settings are different for PAYG

Have a look here at how to change them

http://service.o2.co.uk/IQ/SRVS/CGI-BIN/WEBCGI.EXE?New,Kb=Companion,question=ref%28User%29:str%28Mob...

And here...

http://service.o2.co.uk/IQ/srvs/cgi-bin/webcgi.exe?New,KB=Companion,question=ref%28user%29:str%28Mob...

 

*The Game Is On*

Girl in a jacket
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MI5
Level 94: Supreme
  • 123962 Posts
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Registered:
If it's an O2 phone and an O2 sim there is no need to unlock it.
Just connect it to iTunes and it will install the correct carrier settings for you.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)

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Curr946
Level 26: Upbeat
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No service might mean there is an issue with the sim. If the sim wasn't accepted by the phone it would normally prompt for the unlock code. Did you cut the sim down?
Current Phone: Sony Xperia XZ Premium
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Anonymous
Not applicable

May need an actual payg sim then perform the swap my sim either Instore or online

 

http://swapmysim.o2.co.uk

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