https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672222#M42193 <P>Phone should be asking for a PUK code</P><P>Get it here</P><P><A href="https://www.o2.co.uk/help/device-and-sim-support/unblock-your-phone" target="_blank">Unblock your mobile device | Phones sims and devices | Help | O2</A></P><P>or via My O2</P> Tue, 28 Nov 2023 15:27:58 GMT jonsie 2023-11-28T15:27:58Z https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672221#M42192 <P>Used up in error 3 goes on SIM so locked out. How to undo?</P> Tue, 28 Nov 2023 15:23:33 GMT https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672221#M42192 Ernie2 2023-11-28T15:23:33Z https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672222#M42193 <P>Phone should be asking for a PUK code</P><P>Get it here</P><P><A href="https://www.o2.co.uk/help/device-and-sim-support/unblock-your-phone" target="_blank">Unblock your mobile device | Phones sims and devices | Help | O2</A></P><P>or via My O2</P> Tue, 28 Nov 2023 15:27:58 GMT https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672222#M42193 jonsie 2023-11-28T15:27:58Z https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672223#M42194 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5396021">@Ernie2</a>&nbsp;</P><P>If your PUK won't work&nbsp;<A href="https://www.o2.co.uk/help/device-and-sim-support/unblock-your-phone" target="_blank">https://www.o2.co.uk/help/device-and-sim-support/unblock-your-phone</A></P><P>you'll need to get a new sim. Pop into any O2 store with photo ID to get one.</P> Tue, 28 Nov 2023 15:28:38 GMT https://community.o2.co.uk/t5/Tech-Support/Locked-SIM/m-p/1672223#M42194 MI5 2023-11-28T15:28:38Z