O2

All mobiles now unlocked. Thanks @EmilieT for all your time and help with this.

Thanks @MI5 also. Great work!

Thanks @EmilieT. Info PM'd. 

My family have 6x O2 locked mobiles which were purchased off the O2 website in 2016. I've successfully used the manual online form to unlock 3x mobiles. After this only got rejections.I contacted Live Chat and the agent insisted I could not have unlo...