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Flash firmware on Asus Zenfone 2 Deluxe Special Edition

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How to flash Asus Zenfone 2 Deluxe Special Edition?


Why reinstall the firmware?

Errors begin to appear in the Android operating system.

Some installed applications stop opening.

Many programs from the Play Market do not start.

The phone restarts by itself for no reason.

The phone began to work slowly.

You are not satisfied with the functionality of the stock firmware.





Where can I find the firmware?

On the phone manufacturer's website.

On specialized services where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data and transfer it to your computer.

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

Find out the exact model of your smartphone.

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

Find and download the archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.

Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.

When the file is loaded, you need to return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

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

Copy the required files to the memory card. Using a PC or laptop card reader.

Insert a SD memory card into the phone.

To reboot in recovery, it is convenient 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. We open the menu, select the 'Reboot' item, and then tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





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.

Everything is ready to start flashing. Press the 'Install' button.


TWRP

The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.

Select the storage to which the files were copied.



TWRP

Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted 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.

The completion of the installation procedure is indicated by the inscription 'Successful'.





Summary: Operating System: Android v5.0 (Lollipop); SIM Slot(s): Dual SIM, GSM+GSM; SIM Size: SIM1: Micro, SIM2: Micro; Network: 4G: Available (supports Indian bands), 3G: Available, 2G: Available; Dimensions: 152.5 (H) x 77.2 (W) x 10.9 (T) mm; Weight: 170 grams; Screen Size: 5.5 inches; Screen Resolution: Full HD (1080 x 1920 pixels); Pixel Density: 401 ppi; Display Type: IPS LCD; Screen Protection: Corning Gorilla Glass v3, Oleophobic coating; Touch Screen: Capacitive Touchscreen, Multi-touch; Screen to Body Ratio: 70.67 %; Chipset: Intel Atom Z3580; Processor: Quad core, 2.3 GHz; Architecture: 64 bit; Graphics: PowerVR G6430; RAM: 4 GB; Internal Memory: 2 ...

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Asus Zenfone 2 Deluxe Special Edition