[Easiest Way] Downgrade/Upgrade, Change ROM to WW/TW/CN Zenfone

[Easiest Way] Downgrade/Upgrade, Change ROM to WW/TW/CN Zenfone
Resources:

• ADB
• Intel USB Driver
• Recovery (Zenfone 5, Zenfone 6) Mirror Zenfone5 , Mirror Zenfone 6
• Zenfone ROM/Firmware (Zenfone5, Zenfone6) ->Choose Android and Download the firmware that you choose.

Tutorial:

Downgrade/Upgrade :

1. Download ADB and Extract it, Download Intel Driver and Install
2. Download Recovery for Downgrade or Upgrade (In this tutorial i'll downgrade my zenfone 5 from 1.18 to 1.17) so i'll download 1.17.40.16_ww_recovery.img
3. Download Zenfone Firmware (in This tutorial i'll downgrade my zenfone 5 from 1.18 to 1.17) so i'll download UL_ASUS_T00F_WW_1_17_40_16.zip
4. Copy recovery img (1.17.40.16_ww_recovery.img) to ADB Folder and Copy .zip firmware to ADB folder too (see image below).

5. Activate USB Debugging on Your Zenfone and Connect it to PC/Laptop via USB Cable (How to Activate USB Debugging? HERE)
6. Open CMD at ADB Folder by Hold Shift+Right Click and Open Command Window Here
7. Type this on Command Window: adb reboot bootloader and wait until your zenfone enter fastboot mode
   
8. When succeed enter fastboot then flash recovery, at Command Prompt type: fastboot flash recovery <filename.img> and wait until finish
   
   
9. Choose Recovery, when android robot appear press volume down+volume up and choose update from ADB. Now Flash the firmware via ADB, by type ADB sideload <firmwarename.zip>
   
10.  Wipe Data and Reboot
11. Result
     
     

Change Firmware: 

1. In this tutorial i'll change from ww to tw
2. Download TW/CN/WW Recovery img
3. Download Firmware/ROM WW/CN/TW
4. Copy Recovery img and Firmware to ADB Folder
   
5. Activate USB Debugging on Your Zenfone and Connect it to PC/Laptop via USB Cable (How to Activate USB Debugging? HERE)
6. Open CMD at ADB Folder by Hold Shift+Right Click and Open Command Window Here
7. Type this on Command Window: adb reboot bootloader and wait until your zenfone enter fastboot mode
   
8. When succeed enter fastboot then flash recovery, at Command Prompt type: fastboot flash recovery <filename.img> and wait until finish
   
9. Choose Recovery, when android robot appear press volume down+volume up and choose update from ADB. Now Flash the firmware via ADB, by type ADB sideload <firmwarename.zip>
   
10. Wipe Data and Reboot
11. Result
    

[Easiest Way] Downgrade/Upgrade, Change ROM to WW/TW/CN Zenfone