Once unlocked correctly it will never relock.
You also don't need to connect to iTunes as it's done by whitelisting your IMEI on Apples servers.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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