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[Replied] [System] I am not able to update zenfone 2 laser

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ZenFone2 Bug Report
Model: ZE550KL
RAM: 2G
Firmware/APP Version: MMB29PWW_user_21.40.1220,1615_20160517060020715_201602190037
Frequency of Occurrence: Daily
Rooted: No
APP Name: -
Screenshot: -
Last edited by pranitmundhe769 on 2018/11/26 20:33

Zenfone 2 laser when i update, it showing some errors. Like "Failed to mount asdf/ invalid argument". I dont know what to do.  Please help me with this.
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Props
IND Moderator | All posts
Hi Pranitmundhe,

You may follow the below step.

You can also go to ASUS official website to download newer firmware and instruction manual.
Note:

    Please make sure the firmware SKU you download is conformed to what on your phone, eg., WW -> WW, CN -> CN, TW -> TW. Incorrect SKU will lead to update failure.
    You can not change the SKU from one to another, eg., WW -> TW, and also can not downgrade your firmware, eg., V2.20.40.13 -> V2.19.40.18.
    During update process, please charge your phone with AC adaptor or make sure the phone has at least 15% battery life.


Steps for update:
1. Go to "Need Help?" page of ASUS official website http://www.asus.com/support to download ZIP file of firmware.
    Note: Double click the ZIP file after downloading is completed. If the content is another intact ZIP file (as shown in red on picture below),
              please upzip the file again.
             If the content is not an intact ZIP file (as shown in yellow), you do not have to do anything.
             Close the ZIP file after check.
   


2. Connect your phone with PC via micro USB cable, and copy the ZIP file to the root directory of internal storage of phone.
   


3. Detach micro USB cable from the phone to make the notification for firmware update poped up on status bar.
   

4. Tap "System Update File Detected..." and follow steps to update firmware.
    [img]http://www.asus.com/zentalk/data/attachment/forum/201506/06/220723df22fer00we0m4mj.jpg.thumb.jpg[img]


Note: Steps or photos shown above may have variation by different models.


For some upgraded versions that have great difference, e.g., from Jelly Bean (Android 4.3) to KitKat (Android 4.4),
you may need to upgrade to a "bridge version" in advance to proceed.
Please see picture below for example.



If the issue persist, you may contact the service center. They will update the FOTA for you.

http://www.asus.com/in/support/Service-Center/India
Props
If we are that smart then why do we people use smart phones for ...that's too muchh for a layman and atleast provide us a proper video
Props
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