https://community.o2.co.uk/t5/Apple/iPhone-17/m-p/1814948#M174198 <P>I have recently changed from an iPhone 13pro to iPhone 17. I have no service on the new iPhone and also received an email from o2 “<SPAN>Sim Swap: due to Technology change” &nbsp;I was just wondering if I need a new SIM card?</SPAN></P> Sun, 12 Oct 2025 19:35:44 GMT Neil861 2025-10-12T19:35:44Z https://community.o2.co.uk/t5/Apple/iPhone-17/m-p/1814948#M174198 <P>I have recently changed from an iPhone 13pro to iPhone 17. I have no service on the new iPhone and also received an email from o2 “<SPAN>Sim Swap: due to Technology change” &nbsp;I was just wondering if I need a new SIM card?</SPAN></P> Sun, 12 Oct 2025 19:35:44 GMT https://community.o2.co.uk/t5/Apple/iPhone-17/m-p/1814948#M174198 Neil861 2025-10-12T19:35:44Z https://community.o2.co.uk/t5/Apple/iPhone-17/m-p/1814949#M174199 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/4694857">@Neil861</a>&nbsp;</P><P>Try your old sim or check if an esim has been sent to your MyO2.</P><P><LI-PRODUCT title="eSIM - How to activate" id="1762356"></LI-PRODUCT>&nbsp;</P> Sun, 12 Oct 2025 19:38:28 GMT https://community.o2.co.uk/t5/Apple/iPhone-17/m-p/1814949#M174199 MI5 2025-10-12T19:38:28Z