First of all, do all the PREREQUISITE STEPS and Now Open the Extracted QPST Folder.
Tcl a574bl qualcomm qpst update#
How to Update or Downgrade the the STOCK ROM on Alcatel Trek HD 9020A: Back up your device just in case if you need it later.
Tcl a574bl qualcomm qpst install#
Install the Latest Alcatel USB Drivers.THis guide is to Install Stock ROM on Alcatel Trek HD 9020A.