Phone lock code sony ericsson w550i

Question

forgot my phone lock code for sony ercsson w550i, i also oneed all the information saved on my phone, i don't want to loose my saved informationi have locked myself out of my phone with the phone lock code and i really need the phone to contact family can anyone help.

I changed all the codes for securtiy and i can not remember what i changed it too

lost sony Ericsson now it turns up i cant remember phone lock code. what can i do ?