[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

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Install International WW ROM from CUCC China Unicom Zenfone 5

Method 1

1. Root your Zenfone and install root explorer.
2. Download firmware V1.14.40.50 version (Zenfone 5 , Zenfone 6)
3. Download ADB (Here)
4. Extract downloaded firmware on ADB folder, there is .zip after extract then extract .zip again and copy fastboot.img , boot.img and at (recovery folder) copy recovery-from-boot.p , (etc folder) copy install-recovery.sh . Now you must have fastboot.img, boot.img, recovery-from-boot.p, and install-recovery.sh (place them to ADB folder)
   
5. Open install-recovery.sh with Notepad/Notepad++ replace /system/recovery-from-boot.p with /data/local/tmp/recovery-from-boot.p

   

   before

   
   

   

   after

6. Copy recovery-from-boot.p and install-recovery.sh in your internal memory then Open rootexplorer copy those 2 files and paste at /data/local/tmp/ and turn off your zenfone.
7. Go to droidboot (Power Button + Volume up) then connect your zenfone to PC/laptop with usb cable
8. At ADB folder press shift + right click and choose open command here
9. Type fastboot devices, see if the device is connected or not
10. Type fastboot flash fastboot fastboot.img  and wait until finish
11. Type fastboot flash boot boot.img and wait until finish
12. Restart your Zenfone
13. After enter homescreen Type at CMD adb shell then su , there will pop up superuser and click grant
14. Type CMD sh data/local/tmp/install-recovery.sh then Turn off your Zenfone
15. Rename firmware that you download earlier to update.zip (downloaded firmware->extract choose zip after extract not the first one)
16.  Go to droidboot (Power+volume up) choose recovery there will be android robot logo "no command" click volume down then volume up then release volume up.
17. choose update from adb sideload
18. at CMD type adb sideload update.zip and wait until finish
19. Wipe data and Wipe cache (How? Here) Reboot.
20. Download the latest firmware and repeat step 15-19 with the latest firmware file
    

Method 2

1. Root your Zenfone 5 /Zenfone 6
2. Download WW V1.14.40.50 Firmware (Zenfone 5 Download) (Zenfone 6 Download)
3. ADB (Download) 
4. Extract WW Firmware to ADB folder
5. Go into recovery Volume up + Power to get into recovery modes, then volume down + volume up, hold volume up for 3 seconds. and then you will see ADB sideload. Press on that and get ready to go. 
6. ON ADB Folder Hold Shift+Right Click and "Open command window here"
7. Type "Adb sideload (drop the file into the terminal, don't write this!)" and then press enter, make sure there is a space between sideload and your file name.  
8. Let it install, it will install and then give you an error after saying "cannot load volume /misc!" ignore it, wipe cache and reset. 

 Method3
Tools and Resources:

1. Intel USB Driver for Android ( Download Here )
2. ADB Fastboot Tool (Download Here)
3. Fastboot.img (Download Here)
4. Platform tools (Download Here)
5. Zenfone 5 Firmware Version V1.16.40.7(WW) (Download Here)
6. Zenfone 5 Firmware WW (Latest) 

Instructions:

1. Extract ADB tools and other resource to one folder
2. Reboot your zenfone to Fastboot mode (Power + Volume up)
3. Connect Your Zenfone to PC /Laptop
4. Open CMD then go to ADB and resource directory
5. Then type: fastboot flash fastboot fastboot.img 
6. Reboot then Go to recovery and select update from adb
7. Open CMD then go to ADB and resource directory
8. Then Type: adb sideload UL-ASUS_T00F-WW-1.14.40.16-user.zip
9. (UL-ASUS_T00F-WW-1.14.40.16-user.zip is the name of firmware you downloaded earlier you can change it to update.zip or anything) 
10. Go to recovery again and select update from adb
11. Open CMD then go to ADB and resource directory
12. Then Type: adb sideload xxx.zip (xxx=the name of latest firmware) 
13. After complete do double wipe (Tutorial Here)

DWYOR (Do it With Your Own Risk)

========================================================================

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Zenfone 5 Install International WW ROM Tutorial

Better Method = Here

1. Go to Here (Driver and Tools > OS Android and Download the lastest version of WW ROM same with your zenfone 5 type T00J/T00F)
2.  After download done, extract file, you will receive a zip file. Rename zip file to: 
• If current rom is TW: rename zip file to UL-ASUS_T00F-TW-2014.3.27.935705-user.zip
• If current rom is CN: rename zip file to UL-ASUS_T00F-CN-10000.11.40.1-user.zip
3.  Wipe Data (tutorial Here)
4.  Copy  ROM ZIP file to the root directory of phone memory ( that is placed directly under the root directory of the phone  not on any folder ) , remember not to decompress 
5.  Un plug your cable, (may be wait about 30s) => you will receive update notification. Touch it to update :)

- make Sure your zenfone > 20% energy (or you should charge your phone). If not, may be you will not receive any update notification
- After up other rom (your zenfone is CN up to WW rom, TW up to WW or CN up to TW rom) your zenfone will not update through OTA :( (to update, you must go to asus download center to download and manual update)

Sku error? Try this method : Here

If error/can't change to WW : Follow this step

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Zenfone 6 Install International ROM Tutorial

want to experience the international version ROM for Zenfone 6, the china version of the ROM's built-in software in a quandary, the international version of the ROM is relatively pure, and with the Taiwan version of ROM as have retained the Google service pack, here is a ZenFone 6 Latest International Edition ROM 2014.04.20 version.

Read this First: 

1. This ROM is the official version of the Asus ZenFone 6 2014.04.20 international ROM version , not applicable for ZenFone 5, please know!
2. Install from original version (china) to International version
3. International Edition requires double clear wipe, make sure to back up call records and text messages and other important data from the phone
4. International Edition is not available OTA upgrade! Need to manually upgrade!

Comparison before and after the upgrade software information :

Left CN version, right WW version

Installation steps:

1. backup phone data 
2. Clear data + cache (tutorial here)
3. Download the latest version of Asus ZenFone 6 international ROM (UL-ASUS_T00G-WW-10000.11.40.1-user.zip) Here or Here
4. Change the archive name ! ! ! Since Asus ROM upgrade can only recognizes WW-> WW, CN-> CN, TW-> TW, so we need to modify the version name is CN version and change the date to the date of the version number of the phone again subsequent date. The international version of the ROM to download the compressed package name "UL-ASUS_T00G-WW-10000.11.40.1-user.zip" Renamed as "UL-ASUS_T00G-CN-2014.5.1.65432-user" or  the phone will not recognize
5. copies modify the good name of the international version of ROM ZIP file to the root directory of phone memory ( that is placed directly under the root directory of the phone U disk , not on any folder ) , remember not to decompress ( picture to step demonstration, not International Edition ROM)
   
6. Copy is completed, disconnect the phone and the computer, the screen will be the upper left corner "!" Was detected in the system update file prompt, you can click on the order operation
   
   
7. Phone automatically reboot after the upgrade is completed and prompt updates
   
8. Welcome screen
   
   
   
   D.W.Y.O.R

Credit to : http://tieba.baidu.com/p/3026713565

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