Unlocking your mobile enables the phone to be used with any compatible Sim card on any network, from any country, by entering a code found via computer software. So, if you've an old handset that you want to put a new Sim card into, you may need to unlock the phone.
First check whether your phone is already unlocked by inserting a Sim card from another network. If a message such as ‘Sim card restricted' appears then you need to unlock it.
Simply Key *#06# to find your "IMEI" needed for unlocking, this may also be found on the battery of your phone.
*Dial 0906 575 0302
And type your “IMEI’ code to obtain your unlock code.
Enter the instantly generated code and your mobile phone/cellular will be unlocked!!
*Calls charged at £1.50 per minute from BT landlines at all times. Calls from mobiles may vary. Over 18s only. Get bill payers permission. Please read terms of service before your call - Unlock your Mobile Phone.