[Zenfone 5/6] How to Downgrade from 4.4.2 Kitkat to 4.3 JellyBean :
Resources:
- Recovery img (Zenfone 5 Download, Zenfone 6 Download) Mirror Zenfone5 , Mirror Zenfone 6
- Download 4.3 Jellybean Firmware (Zenfone 5 Here, Zenfone 6 Here) -> Choose Driver and Tools > Android> Firmware> v 1.17.40.16 WW
- ADB Driver (Download)
- Intel USB Driver (Download)
- Download Recovery and 4.3 ROM/Firmware
- Install Intel USB Driver and Extract ADB Driver
- Copy Recovery img to ADB Folder
- Extract downloaded 4.3 Firmware and Copy to Adb Folder
- Turn On USB Debugging (How ? Here)
- Connect Zenfone with USB Cable to Computer/Laptop
- Open ADB Folder and Open Command Prompt (Shift + right Click > Open Command Here)
- Type: adb reboot bootloader
- When succed reboot and enter fastboot Type: fastboot flash recovery <filename.img>
- Then Go to ADB: choose Recovery when android robot appear press volume down+volume up and Choose update from ADB
- Type in CMD: adb sideload <firmwarename.zip> and wait until complete
- Wipe Cache and Data (Tutorial Here)
- Reboot
