I posted the solution as a seperate thread.
https://www.mobileread.com/forums/sho...d.php?t=269149
Thank God, finally
SOLVED:
Modify rkBatch tool
config file! Also, hold both refresh
AND back buttons to get t62d in the mood

(7sec+usb+3sec)
Bold text below is the addition.
SUPPORTLOWUSB=
TRUE
FULLSPEEDUSB=TRUE