@chami
If you mean PAYG, guide here Guide How to Top Up (PAYG)
Or see here for bolt ons https://www.o2.co.uk/shop/all-tariffs/bolt-ons?resetHtmlCache=legacy
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.
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