https://community.ee.co.uk/t5/Mobile-Services/Can-t-receive-or-make-calls-with-upgraded-sim/m-p/1325878#M35364 <P>What's the reason for the new SIMs? If you've upgraded phones, you simply use your existing working SIMs in new phones.</P> Sat, 11 Nov 2023 10:08:35 GMT bristolian 2023-11-11T10:08:35Z https://community.ee.co.uk/t5/Mobile-Services/Can-t-receive-or-make-calls-with-upgraded-sim/m-p/1325858#M35360 <P>We can make or receive calls with new upgraded sims, can someone from EE please help us&nbsp;</P><P>&nbsp;</P> Sat, 11 Nov 2023 09:01:13 GMT https://community.ee.co.uk/t5/Mobile-Services/Can-t-receive-or-make-calls-with-upgraded-sim/m-p/1325858#M35360 Chris0344 2023-11-11T09:01:13Z https://community.ee.co.uk/t5/Mobile-Services/Can-t-receive-or-make-calls-with-upgraded-sim/m-p/1325878#M35364 <P>What's the reason for the new SIMs? If you've upgraded phones, you simply use your existing working SIMs in new phones.</P> Sat, 11 Nov 2023 10:08:35 GMT https://community.ee.co.uk/t5/Mobile-Services/Can-t-receive-or-make-calls-with-upgraded-sim/m-p/1325878#M35364 bristolian 2023-11-11T10:08:35Z