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Flash firmware on Asus Zenfone 2 Deluxe ZE551ML 64GB

  Mobiles >> ASUS >> Asus Zenfone 2 Deluxe ZE551ML 64GB

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How to flash Asus Zenfone 2 Deluxe ZE551ML 64GB?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some installed applications do not open.

Some programs from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone started to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official website of your phone manufacturer.

On sites where third-party developers and phone manufacturers post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to another medium.

Insert SD card. An SD card is needed to write firmware to it.

Find out the exact model of your smartphone.

Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.

Find and download the archive with Firmware. Place it on the SD card.





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.

After moving to the next screen, you need to select the 'TWRP FLASH' item and give the application root rights.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.

After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.img file.

After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.

Copy the firmware and other necessary files to the SD card.

Insert a memory card into the phone.

To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

Press the 'Install' button to start the flashing.


TWRP

On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.

Select the location where the files were copied. Press the OK button.



TWRP

Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.

The procedure for flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Smart Phone OS: Android; Smart Phone OS ver.: 5.0 Lollipop; Shape: Bar; SIM: Dual SIM (Micro-SIM), Dual Standby; Processor Speed: Intel Atom Quad Core Z3580 (2.3GHz), PowerVR G6430, with OpenGL 3.0 support / Intel Atom Quad Core Z3560 (1.8GHz), PowerVR G6430, with OpenGL 3.0 support; Internal Storage: 64GB eMMC flash; RAM: 4GB LPDDR3; External Storage: MicroSD card up to 128 GB; Battery life: ; Screen Size: 5.5 inch; Resolution: 1920x1080; Touch Screen: yes; Screen Type: IPS, Corning Gorilla Glass 3; Pixels: 13mp (rear) / 5mp (front); Flash: yes; Image Stabilization: ; Waterproof: ; GPS: yes; Dimensions (WxHxD): 77.2 x 152.5 x 3.9-10.9 mm; Weight: 170 g; ...

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Asus Zenfone 2 Deluxe ZE551ML 64GB