https://community.o2.co.uk/t5/Pay-Monthly/Upgrading-to-5G/m-p/1428146#M221480 <P>Hi,&nbsp;</P><P>&nbsp;</P><P>I recently chnaged from Virgin to O2. i currently have an IPhone XS Max and my sim is a 4G pay monthly.&nbsp;</P><P>I am expecting the IPhone 12 PRO MAX to be delivered on the 13th of January, this has 5G cabability on it. Do i need a new sim or will my Sim just change from 4G to 5G when i put it in my new phone ?&nbsp;</P> Fri, 08 Jan 2021 15:15:13 GMT Michael8 2021-01-08T15:15:13Z https://community.o2.co.uk/t5/Pay-Monthly/Upgrading-to-5G/m-p/1428146#M221480 <P>Hi,&nbsp;</P><P>&nbsp;</P><P>I recently chnaged from Virgin to O2. i currently have an IPhone XS Max and my sim is a 4G pay monthly.&nbsp;</P><P>I am expecting the IPhone 12 PRO MAX to be delivered on the 13th of January, this has 5G cabability on it. Do i need a new sim or will my Sim just change from 4G to 5G when i put it in my new phone ?&nbsp;</P> Fri, 08 Jan 2021 15:15:13 GMT https://community.o2.co.uk/t5/Pay-Monthly/Upgrading-to-5G/m-p/1428146#M221480 Michael8 2021-01-08T15:15:13Z https://community.o2.co.uk/t5/Pay-Monthly/Upgrading-to-5G/m-p/1428157#M221484 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/4242205">@Michael8</a>&nbsp;Your 4G sim will work. You would only need a 5G sim if you were in a 5G area. If you are, you can do a sim swap.&nbsp;&nbsp;<A href="https://community.o2.co.uk/t5/How-to-Guides/SIM-Swap-a-mini-guide-incl-eSim/ba-p/1060675" target="_blank" rel="noopener">SIM Swap: a mini guide (incl eSim) - O2 Community</A></P> Fri, 08 Jan 2021 15:57:25 GMT https://community.o2.co.uk/t5/Pay-Monthly/Upgrading-to-5G/m-p/1428157#M221484 Bambino 2021-01-08T15:57:25Z