how to unlock?

[SickFish89]

either explain how to unlock a phone to work on any network. or give a link to it.

[Sven Johannsen]

either explain how to unlock a phone to work on any network. or give a link to it.

You can search here, or at www.google.com

The search would be 'Unlock {enter your phone model}'

You will be provided with numerous options, including services you pay, and potentially instructions to do it for free on your particular phone. The pay ones are typically less painfull than the free ones, but that's your call.

Note that you will typically need a data cable for your particular phone, whether the process is free or not.

In either case you follow the instructions provided at the option you choose, for your particular phone.