ok so i flashed something i should have never down(pm bo7 firmware) after doing this i had no data everything else was fine so i went into twrp and flashed boost firmware back to my phone once i did this i restarted device boom black screen so i pulled battery and tryed to get back into twrp it was a black screen all the way through so i pulled battrey again hold power botton for a while and it had black screen all the way to the lock screen so my phone fired up but still no twrp no boot ana nothing just black screen al the way to lock screen and i have to hold power bottn untill lock sceen which my phone still has no data my computer still see my device and allows me to mass stroage so what i want to know is there any way to redo all of this with out twrp if so i would love help from anybody that can help