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Got another mess board, tryed dfu restore, it restores succefully and i can see ssd at target disk, but when i try boot, it shows apple logo and half loading it goes fan max and restart. tryed 2 different working case for faulty parts but everything seems ok.
So it crashes when tries to load drivers.
Can be GPU issue, or another device.
Test disconnecting touchbar and touch ID.
Also try with external monitor, disconnecting internal LCD.