help me with mi nokia lumia 630
My Nokia Lumia had a black screen. I put it to charge and nothing happened, but if I connected it to the PC, it detected it as something with Qualcomm 9008. I installed drivers and used the Windows Device Recovery Tool and flashed what had to be flashed,(recovery flash completed) but in the next step, where it said package installer, something that had to be installed, the phone got disconnected and when I connect it to the PC, it doesn't detect it at all. And if I don't connect my phone to anything, it stays with a black screen, but if I connect it to a PC or to the power, the screen turns on, a purple code bar appears like a terminal, and it restarts quickly and does the same thing again. I don't know if it's the battery or what, but I want to revive it.