QPST:

piliin nyo po yung tamang port ng modem
goto control panel
devise manager
install QPST setup
goto program files/QPST/bin/run QPST configuration
click add new port

uncheked:show serial & usb/QC diagnostic port only
ok

dapat ganito ang name ng port and higlight nyo po yan

click start client
software download

browse port like this and click buck up,,browse qcn na gusto nyo e save & start

after that
open huawei flasher and dapat ganito detected po yung modem

select firmware/extract from exe

Dapat 6246_K ang makikita nyo at unchek nyo 6 para walang error

click flash modem and normal mode

at lalabas ang dialog na ito,hantay lang ng 10 seconds click ok

hantayin nyo lang hanggang matapos at hayaan lang mag fail ok lang yan

restore napo
same procedure nong nag backup
load nyo yung backup files

and star hantayin lang matapos

