https://community.ee.co.uk/t5/Archived-Posts/Sim-upgrade/m-p/922156#M278031 <P>&nbsp;I have just upgraded( 3 days ago) to a new EE sim only contract from an EE sim only contract, and have been sent a new Sim, however in the EE app my contract details have updated to the new contract &nbsp;and I have received a bill which is the final one from my old contract.</P><P>Do I have to swap to the new Sim? obviously I want to keep my old number so can I leave the old Sim in my phone and ignore the new one?</P><P>I upgraded with the Carphone Warehouse by the way.</P><P>&nbsp;</P> Fri, 19 Jun 2020 13:15:45 GMT Murf500 2020-06-19T13:15:45Z https://community.ee.co.uk/t5/Archived-Posts/Sim-upgrade/m-p/922156#M278031 <P>&nbsp;I have just upgraded( 3 days ago) to a new EE sim only contract from an EE sim only contract, and have been sent a new Sim, however in the EE app my contract details have updated to the new contract &nbsp;and I have received a bill which is the final one from my old contract.</P><P>Do I have to swap to the new Sim? obviously I want to keep my old number so can I leave the old Sim in my phone and ignore the new one?</P><P>I upgraded with the Carphone Warehouse by the way.</P><P>&nbsp;</P> Fri, 19 Jun 2020 13:15:45 GMT https://community.ee.co.uk/t5/Archived-Posts/Sim-upgrade/m-p/922156#M278031 Murf500 2020-06-19T13:15:45Z https://community.ee.co.uk/t5/Archived-Posts/Sim-upgrade/m-p/922170#M278032 <P>You may continue using old SIM.</P> Fri, 19 Jun 2020 13:25:26 GMT https://community.ee.co.uk/t5/Archived-Posts/Sim-upgrade/m-p/922170#M278032 XRaySpeX 2020-06-19T13:25:26Z