Guide To Upgrade Firmware Asus ZenFone 2 (ZE551ML) Using OTA Update Procedure.

OTA Update Procedure Asus ZenFone 2 (ZE551ML). This device release on the market on June, 2015. Todays We will share a guide how to perform OTA Update Procedure on Asus ZenFone 2 (ZE551ML) with the simple and easy way.

Now, We will show to you how to update your firmware on Asus ZenFone 2 (ZE551ML) uisng OTA update procedure with official firmware directly from official Asus website..

Asus ZenFone 2 (ZE551ML) comes with IPS capacitive touchscreen, 16M colors, LCD 5.5 Inches, Android OS, v5.0 (Lollipop) and supported with Qualcomm MSM8939 Snapdragon 615 chipset, Quad-core Cortex-A53 & Quad-core Cortex-A53 CPU, GPU Adreno 405, combined with 3 GB of RAM as their engine. And you can enjoy exciting 13 MP on main camera, and 5 MP on secondary camera to capture your best moments on your life. So, if Asus ZenFone 2 (ZE551ML) device have any problem like above description, we must perform flash or install a firmware on this device

Now, follow the isntruction list bellow, do it with your own risk.

Prepare OTA Update Asus ZenFone 2 (ZE551ML).

1. Download and Install Asus Android USB Driver for windows operating system. 


2. Next, you must download OTA Update Firmware F ile for Asus ZenFone 2 (ZE551ML). You can download directly from official asus website. Here
3. You must only Apply to same SKU update, ex : WW->WW,CN->CN, TW->TW
4. Software update cant transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.

Description of this Official Firmware.

1. Version number  : WW_1.12.40.382
2. Improvement:
• Support IN sku.
• Support eMMC ver5.1.
• Bug fixes and increase stability.
• Fix cant show operator name.
• Fix battery draining in debugging mode.
• Fix Modem Crash after implement Airplane Mode.
• Fix SIM1 Signal Detection Issue.
• Fix Signal Issue in 4G environment
• Fix PS Icon disappear and cellular data unav ailable while switching data service between SIM1 & SIM2.
• Improve camera stability.
• Fine tune noise and sharpness.
• Update exposure control.

How To check your Device model.

If you swipe down the screen top side will see the quick settings. Now you can go to :

1. Settings

   

   check your Device model Asus ZenFone 2 (ZE551ML)

2. About.
   Model Number

   

   check your Device model Asus ZenFone 2 (ZE551ML)

   

   check your Device model Asus ZenFone 2 (ZE551ML)

How To check your Device model.

If you swipe down the screen top side will see the quick settings. Now you can go to :

1. Settings
2. About
3. Model Number
4. Build Number

Step for OTA Update Asus ZenFone 2 (ZE551ML).

1. Make sure you have checked your software version on Asus ZenFone 2 (ZE551ML).
2. Download all required file above. (USB driver and Firmware/OTA zip file )


• Example Format for OTA Update Zip file.
• UL-ASUS_T00G-WW-2014.2.20.838687-user.zip
• UL-[DEVICE]-[SKU]-[VERSION]-[BUILDTYPE].zip
3. Connect your Asus ZenFone 2 (ZE551ML) to your computer using original USB cable.

   

   OTA update procedure asus zenfone 2 laser 

4. After you finished download the firmware /OTA Update file, now extract it.
5. To ensure you have the right OTA Update file, you can check the file format should the same like below.

   

   OTA update Asus zenfone

6. Now, Copy the OTA Update zip file into your phones root directory of internal storage.

   

   OTA update procedure Asus ZenFone 2 (ZE551ML)

7. Then, remove your USB cable from phone to disconnect from computer.
8. And you will see a notification on your Asus ZenFone 2 (ZE551ML) and tap it.

   

   OTA update procedure Asus ZenFone 2 (ZE551ML)

9. To keep the battery capacity enough for upgrade process, you need at least 80% of battery capacity, otherwise you can connect power adapter to ensure battery life. 
10. When you doing no. 9 step, you will see the "system upgrade available" message, and then press or tap OK button.

    

    OTA update procedure Asus ZenFone 2 (ZE551ML)

    

    OTA update procedure Asus ZenFone 2 (ZE551ML)
11. And the OTA process will run to updating your system automatically.
12. If the process is finish successfully, you will see the message like shown below.

    

    OTA update procedure Asus ZenFone 2 (ZE551ML)

13. Finish. Now your Asus ZenFone 2 (ZE551ML) updated.