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Flash firmware on Cubot Note 20 Pro

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How to flash Cubot Note 20 Pro?


Why reinstall the firmware?

Errors begin to appear in the Android operating system.

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

Many applications from the Play Market do not start.

The phone turns off for no apparent reason.

The phone started to work slowly.

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





Where can I find the firmware?

On the official website of the phone manufacturer.

On specialized services on which various 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.

Find out the exact model of your smartphone.

Fully charge your phone battery.

Download 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 must agree to install the firmware, as well as agree to grant 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, 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 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, 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.

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 is now complete.

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

Insert a memory card into the device.

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 errors in the software, as well as other problems. Press 'WIPE' on the home screen.

Everything is ready to start flashing. Press 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 storage to which the files were copied. 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.

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





Summary: OS: Android 10; Processor: MediaTek Helio P60 MT6771V; Processor clock: 2.10 GHz; Number of cores: 8; GPU: ARM Mali-G72 MP3 @800 MHz; RAM: 6 GB; Internal memory: 128 GB; Memory cards: yes; microSD, microSDHC, microSDXC (up to 128 GB); Display: Color / IPS TFT; 16M colors, 60 Hz; 720 x 1600 px (6.50") 270 ppi; 85.0% screen-to-body ratio; Display protection: yes; Type: Standard; Photo matrix: 12 Mpx; Resolution: 4032x3016 px; Sensor size: 1/2,9; Flash: yes LED; Digital zoom: yes; Video formats: H.264, H.265, MPEG4; Video resolution: 1/2,78; Additional: AF; Photo matrix: 8 Mpx; Flash: yes; Digital zoom: yes; Additional: FF; A-GPS: yes; GPS module: yes; Bluetooth: yes v4.2; EDGE: yes; GPRS: yes ...

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