https://community.ee.co.uk/t5/Mobile-Broadband/5GEE-2021/m-p/1183176#M22312 <P><a href="https://community.ee.co.uk/t5/user/viewprofilepage/user-id/1855550">@Socialite2021</a>&nbsp;, I can help you with your first question, if your SIM card is only a few years old, then it should work without using the one EE have sent you, it is only very old SIM cards that need replacing.</P> <P>On &nbsp;your second question, not sure it matters which one you use, worth trying to see if any of them work with the router. Someone else may otherwise have the answer.</P> Sat, 08 Oct 2022 11:54:45 GMT Schockwave 2022-10-08T11:54:45Z https://community.ee.co.uk/t5/Mobile-Broadband/5GEE-2021/m-p/1183170#M22311 <P>I am upgrading from EE 4GEE router to the 5GEE router 2021.&nbsp; (1) Do I use the new sim sent out with the router or simpy take the sim out of 4GEE and put into 5Gee router? (2)&nbsp; We have external aerial (installed by EE, which is an internal box).&nbsp; There are 4 external ports on 5Gee router.&nbsp; Which ones do I use to connect the external aerial, please?</P> Sat, 08 Oct 2022 11:42:51 GMT https://community.ee.co.uk/t5/Mobile-Broadband/5GEE-2021/m-p/1183170#M22311 Socialite2021 2022-10-08T11:42:51Z https://community.ee.co.uk/t5/Mobile-Broadband/5GEE-2021/m-p/1183176#M22312 <P><a href="https://community.ee.co.uk/t5/user/viewprofilepage/user-id/1855550">@Socialite2021</a>&nbsp;, I can help you with your first question, if your SIM card is only a few years old, then it should work without using the one EE have sent you, it is only very old SIM cards that need replacing.</P> <P>On &nbsp;your second question, not sure it matters which one you use, worth trying to see if any of them work with the router. Someone else may otherwise have the answer.</P> Sat, 08 Oct 2022 11:54:45 GMT https://community.ee.co.uk/t5/Mobile-Broadband/5GEE-2021/m-p/1183176#M22312 Schockwave 2022-10-08T11:54:45Z