How toFlashing/reinstallSamsung Galaxy Prime SM-G531F fordownload errors, applicationerrors, the touchscreenis notsensitive, exposed tothe virusinternalmemory, loadinga bootloop, until thetotal deathcouldbedetectedina firmware updateforthe computerdrivers. if possibleyoucanalsodo aRESETGalaxy Prime SM-G531F by pressingthreekey combination. when the position device offpressandhold theVolUp+Home+Poweruntil thepictureandroid robot. then do wipedata usersbutsometimesthisis notenoughto helpthe HHisneededFlashingUpdate