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

[siest Way] Downgrade/Upgrade, Change ROM to WW/TW/CN Zenfone
Resources:
ADB USB DriverRecovery (Zenfone 5, Zenfone 6) Mirror Zenfone5 , Mirror Zenfone 6Zenfone ROM/Firmware (Zenfone5, Zenfone6) ->Choose Android and Download the firmware that you choose.Tutorial:

Downgrade/Upgrade :
Download ADB and Extract it, Download Driver and InstallDownload 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.imgDownload Zenfone Firmware (in This tutorial i'll downgrade my zenfone 5 from 1.18 to 1.17) so i'll download UL__T00F_WW_1_17_40_16.zipCopy recovery img (1.17.40.16_ww_recovery.img) to ADB Folder and Copy .zip firmware to ADB folder too (see below).Activate USB Debugging on Your Zenfone and Connect it to PC/Laptop via USB Cable (How to Activate USB Debugging? HERE)Open CMD at ADB Folder by Hold Shift+Right Click and Open Command Window HereType this on Command Window: adb reboot bootloader and wait until your zenfone enter fastboot modeWhen succeed enter fastboot then flash recovery, at Command Prompt type: fastboot flash recovery <filename.img> and wait until finish
Choose Recovery, when android robot appr press volume down+volume up and choose update from ADB. Now Flash the firmware via ADB, by type ADB sideload <firmwarename.zip>Wipe Data and RebootResult Change Firmware:
In this tutorial i'll change from ww to twDownload TW/CN/WW Recovery imgDownload Firmware/ROM WW/CN/TWCopy Recovery img and Firmware to ADB FolderActivate USB Debugging on Your Zenfone and Connect it to PC/Laptop via USB Cable (How to Activate USB Debugging? HERE)Open CMD at ADB Folder by Hold Shift+Right Click and Open Command Window HereType this on Command Window:adb reboot bootloaderand wait until your zenfone enter fastboot modeWhen succeed enter fastboot then flash recovery, at Command Prompt type:fastboot flash recovery <filename.img> and wait until finishChoose Recovery, when android robot appr press volume down+volume up and choose update from ADB. Now Flash the firmware via ADB, by typeADB sideload <firmwarename.zip>Wipe Data and RebootResult[siest Way] Downgrade/Upgrade, Change ROM to WW/TW/CN Zenfone