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Flash firmware on Fujitsu ARROWS BE

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How to flash Fujitsu ARROWS BE?


Why reinstall the firmware?

The operating system keeps getting errors.

Some applications do not open, reinstalling which does not lead to a positive result.

Many programs from the Play Market do not start.

The phone restarts by itself for no reason.

The phone is slow.

You want to update the firmware, as it does not suit you in terms of functionality.





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?

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

Insert an SD card into your phone to write the firmware to it.

Determine your smartphone model.

Fully charge your phone battery.

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





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone. And run this application.

When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press 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 find your phone model.

After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.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.

Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.

After the burn process is complete, 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 SD memory card into the phone.

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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..





Firmware via TWRP

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.

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


TWRP

The file selection screen is displayed. 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, 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 writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.





Summary: OS: Android 8.1 Oreo; Chipset: Qualcomm Snapdragon 450 SDM450; CPU Speed: 1.8 GHz; GPU: Qualcomm Adreno 506; Primary display: IPS TFT 5" 1280 x 720 pixels 16M colors HD, 294 ppi; Secondary display: No; RAM: 3 GB; Internal memory: 32 GB; Memory Card: MicroSD, Up to 400 GB; Primary camera: 12 MP 4000 x 3000 pixels LED flash F/2.4 aperture, Electronic Image Stabilizer (EIS), HDR photo, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Contrast Detection Autofocus (CD AF); Video: 1920 x 1080 pixels 1080p@30fps; Secondary camera: 5 MP 2592 x 1944 pixels 1080p@30fps, HDR photo, Face tagging, Smile detection, Face retouch; Headphone: Yes 3.5mm; W ...

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