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My pay and go sim

Anonymous
Not applicable

I am very happy with my O2 pay and go tarrif and bolt on. However,the sim is only accepted on my very old mobile, I have 2 newer mobiles but when I insert sim in either of these it says wrong sim inserted or please insert correct sim. How do I get these mobiles to accept my O2 sim. Your help very much needed and appreciated.

Thanks,

Twochair. 

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jonsie
Level 94: Supreme
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How old is your present sim card that you are trying to use? Does it have '3G' incorporated in the last rows of the sim seriel number on the back of the card? Are you sure the other 2 phones are unlocked to O2?

 

If you can tell us the phone types that you are trying to use it in maybe we can point out possible problems such as size etc.

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