yup i do this all the time as I have a collection of free o2 sims... just follow the instructions left by digicol .... even if u have never topped up with o2 before you can still get £2.50 anyway so worth doing if you have lots of SIMs around doing nothin..... or get them from o2 for freehas any1 tried this?
Cheers
MFCGAVMFC
when i phone that number this ladie says this number is not recornised what shall i doNot 100% sure as I have not done it myself, I am not on O2 and my partner is in bed at so can't ask her.
Have you got your code? If so just put in your new sim and follow the instructions, I think this time you may have to press option 2 and enter the code.
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