Motorola B310 - How to unlock SIM LOCK

[Stwart]

hi friends,

I have one mobile Motorola B310 (Surf DCS)MP1-1B11 GSM1800
I need unlock mobile "SIM LOCK" to accept chip another operator.
How to???

Thanks!

[]s

Stwart.
PS: I'm brazilian! my english is very bad!!!
;)
http://membres.lycos.fr/jstwart