Help me debricking TP-LINK TL-MR6400(EU) v3

I have tried to unbrick my TP-LINK TL-MR6400(EU) v3 router
I have tried every possible way to unbrick my router through TFTP but failed.
Could anyone please help me unbricking my router?
Support site for TP-Link TL-MR6400(EU) v3 router
Hardware Layout

Post the specifics ?

How did you manage to brick it ?