I spent countless hours (beginning 2 months ago

) trying to resuscitate my t62d.

ready to cry. I prayed.

Thank God I found the answer!
Solution:
Modify rkBatch tool
config file! Also, hold both refresh
AND back buttons to get t62d in the mood

(7sec+usb+3sec)
attached is modified config.ini, for your convenience
Bold text below is the addition.
LOGFLAG=TRUE
#SUPPORTLOWUSB=TRUE时,扫描支持full speed usb设备,默认只支持high speed usb设备
SUPPORTLOWUSB=
TRUE
FULLSPEEDUSB=TRUE