https://community.three.co.uk/t5/Network/Will-my-old-SIM-card-use-5G-After-upgrade/m-p/5765#M662 <P>After the upgrade, will it matter that I have an old SIM card -- from the time 5G was not yet heard of? I would like to benefit from 5G, but keep my old number at the same time. Can I just swap SIM cards and use 5G, or have to use a new one, which comes with a new number, I believe?</P> Sun, 16 Oct 2022 01:02:49 GMT Bish_Bishop 2022-10-16T01:02:49Z https://community.three.co.uk/t5/Network/Will-my-old-SIM-card-use-5G-After-upgrade/m-p/5765#M662 <P>After the upgrade, will it matter that I have an old SIM card -- from the time 5G was not yet heard of? I would like to benefit from 5G, but keep my old number at the same time. Can I just swap SIM cards and use 5G, or have to use a new one, which comes with a new number, I believe?</P> Sun, 16 Oct 2022 01:02:49 GMT https://community.three.co.uk/t5/Network/Will-my-old-SIM-card-use-5G-After-upgrade/m-p/5765#M662 Bish_Bishop 2022-10-16T01:02:49Z https://community.three.co.uk/t5/Network/Will-my-old-SIM-card-use-5G-After-upgrade/m-p/5788#M666 <P>Hey there, Bishop.</P> <P>You can keep using the older SIM. The SIM will not limit the services you can use.&nbsp;</P> <P>Generally I recommend using the latest SIM you are sent though. You mentioned however that you believe the new SIM has a new number, this is not normal. When upgrading, the new SIM should pull the original number over to it automatically.&nbsp;</P> <P>Can you check to see how many SIM cards you received with the upgrade? If it's just one, can you check the packaging to see if that's perhaps a Pay As You Go SIM? You can tell because it will usually mention topping up.</P> <P>Pete.</P> Sun, 16 Oct 2022 17:56:43 GMT https://community.three.co.uk/t5/Network/Will-my-old-SIM-card-use-5G-After-upgrade/m-p/5788#M666 PeteG 2022-10-16T17:56:43Z