- Tool Before Flash:
- Download ADB fastboot here
- Download Intel USB Driver here
- Download System.img.gz here (832 MB)
- Download Boot.img : here
- Download and Install Intel USB Driver
- Download and Ekstrack ADB fastboot
- System.img.gz (don't extrack) with Boot.img to folder ADB
- Turn Off Zenfone 4S ( 4S ) go to Droidboot with (Power Volume + up)
- Connecting zenfone 4s On your Computer
- In Folder ADB, select" Open Commond Windows Here "
- On CMD write :
fastboot erase cache
(enter)
fastboot erase userdata
(enter)
fastboot erase system
(enter)
fastboot reboot-bootloader
(enter) wait Droid boot vision show up again, next
fastboot flash system system.img.gz
(enter)
wait a moment
fastboot flash boot boot.img
(enter)
after Complete,
Fastboot reboot-bootloader
(enter)
last:
fastboot reboot
(Enter) flashing Finish
- Zenfone 4s will restart with new firmware. Good Lucky
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