vivo brazil

[ribechi]

i have a ppc6700 vivo, brazil. and i cant find upgrades about my carrier... and i have some doubts. for example: the thread about radio upgrade, is usefull for my carrier? and how make a backup of my rom, i cant find it in the forum.
sorry about my english, and thanks everybody.

[el_venga]

radio roms are usefull for any carrier but when i had phoenx wm5 for sprint and for some reason my phone freezed, but changed to helmi_c wm6 and worked like a charm.
check your radio version nd see if you can find the same one to have as a backup.