https://community.o2.co.uk/t5/Android/Sim-only/m-p/1825933#M81671 <P>My phone is paid for so I only pay for usage at £23pm but looking to change eg Smarty £7pm. However would like to stay o2 - looked online o2 now offer sim only £9pm. Wondered if I can get this contract so went thru part application - unsure if I end up with new SIM card or just keep existing one - help</P><P>&nbsp;</P> Sat, 31 Jan 2026 18:56:41 GMT Giler 2026-01-31T18:56:41Z https://community.o2.co.uk/t5/Android/Sim-only/m-p/1825933#M81671 <P>My phone is paid for so I only pay for usage at £23pm but looking to change eg Smarty £7pm. However would like to stay o2 - looked online o2 now offer sim only £9pm. Wondered if I can get this contract so went thru part application - unsure if I end up with new SIM card or just keep existing one - help</P><P>&nbsp;</P> Sat, 31 Jan 2026 18:56:41 GMT https://community.o2.co.uk/t5/Android/Sim-only/m-p/1825933#M81671 Giler 2026-01-31T18:56:41Z https://community.o2.co.uk/t5/Android/Sim-only/m-p/1825934#M81672 <P>Was the £9 deal started through the likes of USwitch or MoneySaving Supermarket?</P><P>It so it will be a new SIM with a new number.</P><P>You will need then to ring O2 to migrate your old number across</P><P><LI-PRODUCT title="Guide: Migration &amp;amp; porting into O2" id="Guide061"></LI-PRODUCT>&nbsp;</P><P>&nbsp;</P> Sat, 31 Jan 2026 19:10:00 GMT https://community.o2.co.uk/t5/Android/Sim-only/m-p/1825934#M81672 Enlli 2026-01-31T19:10:00Z