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Flash firmware on ASUS ZenFone 4 ZE554KL

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How to flash ASUS ZenFone 4 ZE554KL?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some installed applications stop opening.

Many programs from the Play Market do not start.

The phone turns off for no apparent reason.

The phone began to slow down a lot.

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





Where can I find the firmware?

On the official website of the phone manufacturer.

On specialized services on which developers lay out custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert your SD card into your phone. An SD card is needed to write firmware to it.

Determine your smartphone model.

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

Download the archive with Firmware and place it on the SD card.





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 need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, click 'Select Device', and select your phone model.

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, 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.

Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the device.

To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' 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 errors in the software, as well as other problems. Press 'WIPE' on the home screen.

You can start flashing. Click the 'Install' button.


TWRP

The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.

Select the location where you copied the files. Press the 'OK' button.



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 damaged files during recording.

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

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Type: Smartphone, Phablet; Smart Phone OS: Android; OS ver: Android 7.1 (Nougat) with Asus ZenUI 4.0 on top; SIM: Nano SIM, Dual SIM, Dual Standby; CPU: Qualcomm Snapdragon 660 with 14nm, 64 bit Octa core Qualcomm Snapdragon 630 with 14nm, 64 bit Octa core; Processor Speed: 1.80 GHz; Storage: 64GB; RAM: 6GB, 4GB; External Storage: microSD up to 2TB Google Drive up to 100GB free space (1 year); Battery: Non removable Li Po 3300mAhFast Charging50% capacity by 36 mins of charge23 days 4G standby30 hours 3G talk time18 hours web browsing; Screen Size: 5.5 inches; Resolution: 1080 x 1920 pixels IPS displayBluelight filter for eye care10-finger capacitive touchFingerprint sensor; Main ...

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ASUS ZenFone 4 ZE554KL