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Rom change for Asus Zenfone 2 (TW / CN -> WW)



Yep!! A new and awesome tutorial. This tutorial is on how to change Asus Zenfone 2 Firmware / ROM  TW( Taiwan ) / CN ( China )  TO WW ( World Wide ). After doing this your phone will wont Receive Firmware Updates Anymore but don't worry .. You can Upgrade firmware by ADB Sideload / SD Card  Update

Note.------->
Do this At Your Own Risk.... We have tested and its Working . We will not responsible for anything You done by your Mistake.
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Files you Need ....

1.   ZenFone 2 Recovery Images . Click on the button below to Download as per your Phone ( ZE550ML OR ZE551ML)


2.   ZenFone 2 Firmwares.. ( Click Here for ZE550ML) OR ( Click Here for ZE551ML )

3.  Intel USB Drivers ( Click Here to Download )

4.   ADB ( Click Here to Download )





Instructions....



  1. Download Firmware's( Same in Bot cases. ex: Download same recovery for same firmware. ex 2: Download recovery of ZE550ML (2.17.40.12) then download the same version of firmware (2.17.40.12)
  2. Install Intel Drivers ( Optional : If you have already install then SKIP this Step )
  3. Extract Downloaded ADB
  4. Copy Downloaded Recovery and firmware to ADB Folder
  5. Make Sure you have USB dubbing Enable in Phone.
  6. Connect Zenfone 2 With PC/Laptop
  7. Go to ADB folder and Press shift+Right Click Together. It will Open a Command window there
  8. To ensure That Zenfone is Successfully Connected to Desktop/Laptop  type the Following command in Command windows and press enter

    adb devices
  9. Then Zenfone 2 Will be shown in Command List
  10. Then type in Command Window

    adb reboot bootloader
  11. Now Zenfone 2 Will be Rebooted into Boot Loader.
  12. Now Type the Following Commands in Command Window ( Press Enter After Each command



  • fastboot flash recovery recovery.img    (Press Enter)
  • fastboot flash boot boot.img      ( Press Enter )
  • fastboot flash fastboot droidboot.img     (Press Enter)
   13. Now Reboot Your Phone
   14. Copy Zenfone 2 Firmware Files ( For Identity : This Firmware file is Grater then 500MB )
         to Phone Storage. now remove US cable ..
 You will get a system Update Notification In the notification bar ..  From there Update your Zenfone.. Wait until Its Completely updates..


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19 comments: Leave Your Comments

  1. I have done this on my own risk and it is not working. Phone still working with CN SKU but WW SKU update didn't work out..

    ReplyDelete
    Replies
    1. Thanks for you comment. Can you be more specific that which step you are faild to do or on which step its going wrong ?

      Delete
  2. Hi,
    Yes, of cource. different issues, i'm afraid:
    -"adb reboot boot-loader" should be "adb reboot bootloader". (minor issue but nevertheless....)
    When I've made all three "adb steps" for the ZE551ML Zenphone version and then rebooted the phone and copied the WW SKU img file to the internal memory root.:
    1) the phone didn't recognize the img file and did not start to update the system. Nothing happened.
    2) in the bootloader menu i can read version Z008 (instead of (Z00A) for ZE551ML. i tryed to load the files for ZE550ML and then i got Z00A version but still no system update using ZE551ML WW img file..
    3) when trying to enter recovery mode (both with adb software and with pow.on+vol.up from boot loader menue) the phone starts to update the system before it enters recovery menu, but after 1 sec i see a dead android and the message "fel!" (=failure! in Swedish). recovery menu is impossible to enter since the phone gets stuck with the dead android. a 10 sec push on power button reboots the phone.

    Before I made these trials I updated the phone with the latest CN version .For your information the phone worked from the begining with google applications such as play etc even if it was a CN SKU, after the update to the latest CN SKU all Google apps where gone and replaced with some Chines apps that you don't want.. according to ASUS support t e phone software must have been manipulated by a third party since no CN version have Google apps working with original SW. Soo maybe this is the reason why your instruction does not work with my phone. The phone is not rooted.

    Hope thsi helps! Any ideas?

    ReplyDelete
  3. Hi, I've noticed that you've change the sepelling of bootloader, which means you have read my comment:) Do you have any idea about why I didn't succeeded?

    ReplyDelete
    Replies
    1. Thanks for The Info. I keep looking for the problem. In my opinion its a firmware Problem . i have a question that have you tried this with other phone except yours ? Because i have did and i got success .

      Delete
  4. I have just tested with my own phone, no other phone.

    ReplyDelete
  5. I can go only up to 14 and cannot copy because no phone is shown in my computer.... please help

    ReplyDelete
    Replies
    1. I want to help you but yo have to first answer few of my question.. Then only i can identity and find solution to solve the problem you are facing..

      1. Whihc OS you are using in your COMPUTER ?
      2. Which data cable are you using to connect phone to computer ?
      3. Is that same problem happen with other device too ? ( Phone do not show in my computer )
      4. do you have tried other USB cable to connect phone to computer ?
      5. What appear in your phone notification panel just after connection the phone to computer ?
      6. Do you have installed proper driver for your phone ?
      .... Thanks ...

      Delete
  6. Please tell me what to do if I am stuck at the final step Copying the firmware couse no phone is shown in computer

    ReplyDelete
    Replies
    1. I want to help you but yo have to first answer few of my question.. Then only i can identity and find solution to solve the problem you are facing..

      1. Whihc OS you are using in your COMPUTER ?
      2. Which data cable are you using to connect phone to computer ?
      3. Is that same problem happen with other device too ? ( Phone do not show in my computer )
      4. do you have tried other USB cable to connect phone to computer ?
      5. What appear in your phone notification panel just after connection the phone to computer ?
      6. Do you have installed proper driver for your phone ?
      .... Thanks ...

      Delete
    2. Thanks for thanks for the reply.
      I did manage to copy the file than I removed but the update did not happen.
      And I have found that the Icons of the interface became reduced too making it more difficult.
      I will appreciate if you could help me.
      Thanks

      Delete
    3. Now I am finished doing what have to be done by the computer but the phone did not update the firmware afterwards.

      Delete
    4. Yess... You wont receive OTA.. You have to manually Install them.

      Delete
    5. I have copied the firmware to the phone and removed the cable,as you have instructed in point no 14.
      Isn't this what you mean to manually install.
      If not, please can you explain more.

      Delete
    6. Hey I have discovered in my phone : Android system recovery <3e> LRX21V.WW-ASUS_Z008-2.15.40.13_20150507_4648_user
      is this right? I have a ZE551ML phone..??? It should be Z00A right?

      Delete
    7. Now I have corrected that by a new recovery.img but still could not update. Even using sideload method. It says "cannot read".

      Delete
  7. is this name correct "UL-Z00A-WW-2.15.40.13-user" I mean de we have to edit.

    ReplyDelete