Download Vivo Y20 PD2034F Flash File: PD2034F_EX_A_6.73.6_vivo_qcom PD2034F_EX_A_1.71.8 PD2034F_EX_A_1.70.19 QPST Tool Qualcomm Driver How to Flash Vivo Y20 PD2034F: 1- Download Vivo Y20 PD2034F 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...