CHANGIN TO SIM ONLY

[MARZIYAKASSAM]

I WOULD LIKE TO CHANGE MY TARIFF TO SIM ONLY

[pgn]

You can do that if your current contract is at an end and the handset, if bought on an O2 contract, has been paid-off, @MARZIYAKASSAM - and then upgrade to SIMO:

https://community.o2.co.uk/t5/My-O2/moving-from-contract-to-sim-only/m-p/1648282/highlight/true#M217...