So I decide to update HBOOT 1.55 -> 1.56, RADIO - lastes official and flash lastes official rom from here: http://forum.xda-developers.com/show....php?t=2485319
...after this everythings works fine but going back to the fresh install of the ViperOne 6.2.1 rom I cant still make calls...
I got this m7vzw phone from US but I using it in Poland at T-Mobile. Anybody have any idea how to fix it ??
thanks for reading this and thanks for desire to help.