911078e51d320 62505e781d03 951bbf A125ff6 A125f. It is a dump file of the oem original firmware file you can use to repair, and recover your samsung a12 dead boot by flashing this satter dump file using the emmc tool, ufi box, or sp flash tool. Here is a toolkit of several tools ive collected and put together for the a12 in a single pack to help see through all the clutter and chaos of this forum.
Pixel experience is an aosp based rom, with google apps included and all pixel goodies (launcher, wallpapers, icons, fonts, bootanimation). Clean install firmware (means, no magisk boot module, etc.