QMobile Z12 - Flash File Android OS Version 5.1 Lollipop Device Brand: QMobile Device Model: CBL7521QM Device CPU: MT6735 Device IntName : Z12 Device Version : 5.1 preloader_gionee6753_65c_l1.bin (143 kB) MT6735__QMobile__Z12__CBL7521QM__5.1__CBL7521QM_0101_T5365 Link Pass: gsmdude Install ROM: – Select “scatter-Loading” and Slect MT6735_Android_scatter.txt in folder – Wait file to be added into Flash Tool +Any box – Select “Download Only” or if upgrade “Firmware upgrade” – Turn off your phone, remove the battery (if the battery is removable) and replace it after some seconds (and don’t turn on the phone). – Press “Download” button to start – and connect your phone into the computer via USB data cable. – The process will start and a red progress bar will appear after color purple, yellow. – And green circles display - Finish ! – You can now safely disconnect your phone and turn it on.