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[CHRIS_MULLAR]

Good day everyone. Any body can help me. I already. Change tarrif. May o2 sim. From. £30 to. 15£  and i already recieve the £15 but. It shows on my o2 app that i dont have any tarrif allowance. But. Showing. This £15 balance. How can i apply or register to data. 

[pgn]

You would be better off calling CS on 4445 at around 8am today or chancing the O2 Social Media Team (links below this post) to let someone take a look at your account, @CHRIS_MULLAR.

This may help, while you wait for your call to be answered: https://www.o2.co.uk/help/pay-as-you-go/big-bundles

Good luck!