How to Downgrade from 4.4.2 KitKat to 4.3 Jellybean (Zenfone 5/6)

[Zenfone 5/6] How to Downgrade from 4.4.2 Kitkat to 4.3 JellyBean :

Resources:

1. Recovery img (Zenfone 5 Download, Zenfone 6 Download) Mirror Zenfone5 , Mirror Zenfone 6
2. Download 4.3 Jellybean Firmware (Zenfone 5 Here, Zenfone 6 Here) -> Choose Driver and Tools > Android> Firmware> v 1.17.40.16 WW
3. ADB Driver (Download)
4. Intel USB Driver (Download)

Instructions:

1. Download Recovery and 4.3 ROM/Firmware
2. Install Intel USB Driver and Extract ADB Driver
3. Copy Recovery img to ADB Folder
4. Extract downloaded 4.3 Firmware and Copy to Adb Folder
5. Turn On USB Debugging (How ? Here)
6. Connect Zenfone with USB Cable to Computer/Laptop
7. Open ADB Folder and Open Command Prompt (Shift + right Click > Open Command Here)
8. Type: adb reboot bootloader
   
9.  When succed reboot and enter fastboot Type: fastboot flash recovery <filename.img>
   
10. Then Go to ADB: choose Recovery when android robot appear press volume down+volume up and Choose update from ADB
11. Type in CMD: adb sideload <firmwarename.zip> and wait until complete
    
    
12. Wipe Cache and Data (Tutorial Here)
13. Reboot