https://community.o2.co.uk/t5/Pay-Monthly/5g-Sim/m-p/1508542#M237311 <P>Yes you need a new 5G sim</P><P>Easiest option is a free sim from a store and the O2 staff will change everything over for you</P><P>Alternatively</P><P>Hi<BR />If you message O2 using the links below, they should be able to help you with this</P> Fri, 26 Nov 2021 14:09:12 GMT jonsie 2021-11-26T14:09:12Z https://community.o2.co.uk/t5/Pay-Monthly/5g-Sim/m-p/1508538#M237310 <P>Im with 02, I have purchased a phone from apple.</P><P>Do I need 02 to update my SIM for the 5g to work.</P><P>&nbsp;</P><P>Its infuriating 02 don't have the chat feature anymore !!</P> Fri, 26 Nov 2021 13:58:18 GMT https://community.o2.co.uk/t5/Pay-Monthly/5g-Sim/m-p/1508538#M237310 DB10 2021-11-26T13:58:18Z https://community.o2.co.uk/t5/Pay-Monthly/5g-Sim/m-p/1508542#M237311 <P>Yes you need a new 5G sim</P><P>Easiest option is a free sim from a store and the O2 staff will change everything over for you</P><P>Alternatively</P><P>Hi<BR />If you message O2 using the links below, they should be able to help you with this</P> Fri, 26 Nov 2021 14:09:12 GMT https://community.o2.co.uk/t5/Pay-Monthly/5g-Sim/m-p/1508542#M237311 jonsie 2021-11-26T14:09:12Z