hey i used the same step you described. my fone is recognised as qhsusb_dload but when i connect after clicking testpoint ready button it shows error:
Welcome to S1 tool.
That is small and crippled subset of SETOOL2 service tool.
SELECT FIRMWARE PACKAGES
YOU CAN SELECT SEVERAL PACKAGES WITH CTRL BUTTON
CHECKING PACKAGES ...
DETACH USB CABLE FROM PHONE
REMOVE BATTERY FROM PHONE
ATTACH TESTPOINT
PRESS "READY", THEN ATTACH USB CABLE TO PHONE
llbug: [\\?\USB#Vid_0fce&Pid_d18b#5&111652ef&0&5#{a5dcbf10-6530-11d2-901f-00c04fb951ed}] open error: "A device attached to the system is not functioning"
Elapsed:17 secs.