Nokia all model download mode solution

[GsmBoss]

by this solution most of nokia android phone auto download mode can fix

solution:___________
*first open cmd comand
*then type this comand


commands
1-fastboot devices

2-fastboot reboot

3-fastboot getvar current-slot

4fastboot --set-active=b

5-fastboot --set-active=a

6-fastboot reboot

done
phone must connect fastboot mode.