good evening colleagues I have a deco movistar dsb 646v which turns on the green light but immediately turns red and there it stays but I get a few white letters on the screen I have already reviewed it and it has no visual flaw in its components who can help me since I don't know which component generates that fault Thanks a lot

good afternoon as I do to buy the program to fix the operating system of decos made 646v someone can pass me the information by tlfns 0414 081 77 84 and 0416 672 81 55 wilmer zambrano thanks