Port request for TP-LINK Archer C20(IN) v6.8

For Developers
20

Update :

this router only has only tftp method which directly writes bin file to flash. Unable to access uboot cmdline.

TRIED both
C20 v5 image : It goes into bootloop
C20 v4 image : wan light blinks & nothing on UART.

My Router Got Bricked (Archer C20 V6.8)