Download ZTE V0840 FRP File: ZTE_V0840_FRP_File QPST Tool Qualcomm Driver How to Flash ZTE V0840: 1- Download ZTE V0840 Flash file 2- Download QPST tool. 3- Install Qualcomm driver. 4- Run QPST tool. 5- Add new port (Check device manager) 6- Click Load XML and browse for rawprogram_unsparse.xml in Stock ROM file. 7- Click Load Patch...