Is this a SOC issue or something else?

Hey there, I replaced the charging port and M9 chip on this switch and it seemingly charges fine and boots but as you can see from the video it seems that the switch doesn’t display video. I’ve checked known working screen and it’s not the screen so it’s something to do with the motherboard. The backlight works aswell as the touch input so I assume the ribbon FTC connector is fine. So is this an SOC issue and am I SOOL or is there another cause I should check out?

Link to video:
https: //imgur. com/a/ XMOIzAl#xa3S8yz

https:// imgur. com/a/ XMOIzAl#xa3S8yz

probably check the lcd fpc connector for bent pins