I just hard bricked my MXQ Pro 4k (the one with the red 4K on it) with a RK3229 chip.
I was trying to flash a stock rom with batch tool v1.7, which failed multiple times. I then downloaded v1.4 to try again, but the language files missed. So I thought that the third button from the left was the "upgrade" button.... (I know... Stupid. Should have checked it first...)
~removed some dumb stuff I said >.<
Attached some pictures of the board.
Hope somebody can help me out!

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