https://helpforum.sky.com/t5/Sky-Mobile/New-sky-sim-not-supported/m-p/5330039#M298439 <P>I have recently purchased a new sim from sky for my daughters phone. I have transferred her original number across but the sim in not working although it has been activated.</P><P>i receive a message on the phone to install another Sim from a supported network provided. I was previously with 02 not sure if this is why??</P><P>&nbsp;</P><P>Thanks&nbsp;</P> Tue, 28 Jul 2026 17:39:58 GMT DANJ2 2026-07-28T17:39:58Z https://helpforum.sky.com/t5/Sky-Mobile/New-sky-sim-not-supported/m-p/5330039#M298439 <P>I have recently purchased a new sim from sky for my daughters phone. I have transferred her original number across but the sim in not working although it has been activated.</P><P>i receive a message on the phone to install another Sim from a supported network provided. I was previously with 02 not sure if this is why??</P><P>&nbsp;</P><P>Thanks&nbsp;</P> Tue, 28 Jul 2026 17:39:58 GMT https://helpforum.sky.com/t5/Sky-Mobile/New-sky-sim-not-supported/m-p/5330039#M298439 DANJ2 2026-07-28T17:39:58Z https://helpforum.sky.com/t5/Sky-Mobile/New-sky-sim-not-supported/m-p/5330041#M298440 <P>Sounds like the phone is locked to O2?</P><P>&nbsp;</P><P>Some info here:&nbsp;<A href="https://www.o2.co.uk/help/account/joining-and-leaving-o2/unlocking-an-o2-mobile-to-use-on-a-different-network" target="_blank">https://www.o2.co.uk/help/account/joining-and-leaving-o2/unlocking-an-o2-mobile-to-use-on-a-different-network</A></P> Tue, 28 Jul 2026 17:46:02 GMT https://helpforum.sky.com/t5/Sky-Mobile/New-sky-sim-not-supported/m-p/5330041#M298440 PandJ2020 2026-07-28T17:46:02Z