Read on to find out the methods for various default operators.
In this article were discussing on some operators to which iPhones are generally locked in.
And the ways to gain freedom of choice.
O2:
O2 requires you to fill out an online form to unlock your Phone.
Its important to back up your content first, as restoring your unit will wipe all of the data.
EE says itll take up to 20 days to unlock your Phone, and itll cost you 20.42.
If youre happy with that, youll need to fill out the online form.
If you do know those details, youll need to fill out Vodafones online form.
If youre Pay as you go its 19.99, too.
source: www.techworm.net