hello everyone and pls help me ... i have this smart phone few days its nice phone but i have a problem with it ... first was somethink with wi-fi so i thought lets make factory reset , but when i tryed it , mine phone restarted and i see black screen and it says : Fastboot mode sarted udc_start() and nothing hepends more ... its looks like frozen or somethink... idk help guys 
write any tutorial or link where i can find anythink ... please !!! 
write any tutorial or link where i can find anythink ... please !!! 