Here’s what consumers have asked with answers from IPhoneUnlock.Zone staff and previous consumers.
Hello Raelene. This IMEI number that you typed appears to be correct. If you need to know more info about it (Like SIM-Lock, Carrier, Blacklist, Financial, iCloud, IMEI/Serial replacement, etc.), you can use our Unlock Check service: https://www.iphoneunlock.zone/unlock-check/
Hello Alison. I am afraid that there are no O2 UK IMEI Unblacklist services available for the time being. The best way to remove it, would be to either contact the previous owner of that device and ask him to remove it OR if you have the original purchase receipt, call O2 UK network, inform them that you are the owner and ask them to remove it.