Samsung SM-G355H unlock

Very sorry, but i did’nt found a thread where to request help for unlocking this

Samsung Galaxy core 2

sm-g355h

s/n RV1G13S5TFW

imei1 359040/06/031739/6
imei2 359041/06/031739/4

MTEL Bulgaria

Sorry for starting a new thread, pls help…