https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1146547#M160639 No, it's nothing to do with your SIM card. It uses the IMEI number to unlock. Fri, 17 Aug 2018 09:34:08 GMT MI5 2018-08-17T09:34:08Z https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1146546#M160638 Please let me know, do I need keep o2 sim card while requesting unlocking? Fri, 17 Aug 2018 09:30:32 GMT https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1146546#M160638 Artur 2018-08-17T09:30:32Z https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1146547#M160639 No, it's nothing to do with your SIM card. It uses the IMEI number to unlock. Fri, 17 Aug 2018 09:34:08 GMT https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1146547#M160639 MI5 2018-08-17T09:34:08Z https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1147246#M160667 <P>Hi&nbsp;<a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/3272358">@Artur</a>, and welcome to the forum <img class="lia-deferred-image lia-image-emoji" src="https://community.o2.co.uk/html/@E0765C4CD5EFEA21E54A7422D8ED46F1/images/smilies/009.png" alt="smiling" title="smiling" /></P> <P>&nbsp;</P> <P>How are you getting on with this, did you manage to request for your phone to be unlocked since you last posted?</P> Mon, 20 Aug 2018 10:11:17 GMT https://community.o2.co.uk/t5/Apple/iphone-6-unlocking-not-working/m-p/1147246#M160667 EmilieT 2018-08-20T10:11:17Z