https://community.o2.co.uk/t5/Pay-Monthly/Porting-number-across-from-another-provider/m-p/1821101#M292632 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5885306">@Pedsy</a>&nbsp;</P><P>Your old sim will turn off as the porting process starts.</P><P>The new sim will then also lose connection before coming back on with your old number attached to it.</P><P>You may have to reboot phone a few times during the last stage of the process.</P><P><LI-PRODUCT title="Guide: Migration &amp;amp; porting into O2" id="Guide061"></LI-PRODUCT>&nbsp;</P> Fri, 05 Dec 2025 17:04:24 GMT MI5 2025-12-05T17:04:24Z https://community.o2.co.uk/t5/Pay-Monthly/Porting-number-across-from-another-provider/m-p/1821100#M292631 <P>When I port my number over does it go off ?&nbsp;</P> Fri, 05 Dec 2025 16:58:54 GMT https://community.o2.co.uk/t5/Pay-Monthly/Porting-number-across-from-another-provider/m-p/1821100#M292631 Pedsy 2025-12-05T16:58:54Z https://community.o2.co.uk/t5/Pay-Monthly/Porting-number-across-from-another-provider/m-p/1821101#M292632 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5885306">@Pedsy</a>&nbsp;</P><P>Your old sim will turn off as the porting process starts.</P><P>The new sim will then also lose connection before coming back on with your old number attached to it.</P><P>You may have to reboot phone a few times during the last stage of the process.</P><P><LI-PRODUCT title="Guide: Migration &amp;amp; porting into O2" id="Guide061"></LI-PRODUCT>&nbsp;</P> Fri, 05 Dec 2025 17:04:24 GMT https://community.o2.co.uk/t5/Pay-Monthly/Porting-number-across-from-another-provider/m-p/1821101#M292632 MI5 2025-12-05T17:04:24Z