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Flash firmware on NUU Mobile X6 Mini

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How to flash NUU Mobile X6 Mini?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some applications stop opening.

Some applications from the Play Market do not start.

The phone restarts for no reason.

The phone slows down a lot during operation.

You are not satisfied with the functionality of the stock (official) firmware.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where users post custom or official OS.


What should be done before installing the firmware?

Back up your phone's user data.

Insert an SD card into the gadget. It must have enough memory for the firmware.

Determine your smartphone model.

Charge your phone fully.

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





Installing TWRP Recovery

Download the Official TWRP App from the Play Market. And install it.

At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.

After moving to the next screen, select the 'TWRP FLASH' item and provide the application with 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 the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.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.

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

The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered 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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.

Now you can start flashing. Press 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 the files were copied.



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, accompanied by logging and filling in the progress bar.

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





Summary: Operating System: Android 10; CPU: Quad-core 2.0 GHz Cortex-A53; Chipset: Mediatek MT6761P Helio A22 (12 nm); GPU: PowerVR GE8320; Size: 5.71 inches, 96.7 cm2 (~81.3% screen-to-body ratio); Display Type: IPS LCD capacitive touchscreen, 16M colors; Resolution: 720 x 1520 pixels, 19:9 ratio (~304 ppi density); RAM ROM: 3 GB; Card Slot: Yes, up to 128 GB via microSD card; Camera Sensor(s): 8 MP 0.3 MP Main cameras; Camera Type: Double Lenses; Video Resolution: 1080p@30fps,; Camera Sensor(s): 5-megapixel,; Camera Type: Single Lens; Camera Features: FaceID, 4-level AI face Beauty f/2.2 aperture; Video Resolution: 480@30fps; Audio Jack Type: Yes, 3.5mm audio jack; Loudspeaker: Yes; Sou ...

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