https://community.bt.com/t5/BT-Mobile/Can-t-upgrade/m-p/2465278#M25501 <P>Hi all</P><P>Here's a good one for you all.&nbsp; I have 3 BTMobile SIMs from way back, which after the re-launch I want to change to the 10GB 5G plan.</P><P>One I've changed, but the other 2 BT are telling me they cannot change the plan.&nbsp; they can send out new SIMs but not do an internal (BT to BT PAC) so I wouldn't be able to keep my numbers.</P><P>It looks like my only alternative is to move from BT and take my numbers with me.&nbsp; This seems daft.&nbsp; Anyone seen this?&nbsp; Is what I've been told legit?</P><P>Thanks!</P> Tue, 30 Jun 2026 16:58:55 GMT StevenLangdale 2026-06-30T16:58:55Z https://community.bt.com/t5/BT-Mobile/Can-t-upgrade/m-p/2465278#M25501 <P>Hi all</P><P>Here's a good one for you all.&nbsp; I have 3 BTMobile SIMs from way back, which after the re-launch I want to change to the 10GB 5G plan.</P><P>One I've changed, but the other 2 BT are telling me they cannot change the plan.&nbsp; they can send out new SIMs but not do an internal (BT to BT PAC) so I wouldn't be able to keep my numbers.</P><P>It looks like my only alternative is to move from BT and take my numbers with me.&nbsp; This seems daft.&nbsp; Anyone seen this?&nbsp; Is what I've been told legit?</P><P>Thanks!</P> Tue, 30 Jun 2026 16:58:55 GMT https://community.bt.com/t5/BT-Mobile/Can-t-upgrade/m-p/2465278#M25501 StevenLangdale 2026-06-30T16:58:55Z