Flash firmware on Ulefone Armor Mini 20
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How to flash Ulefone Armor Mini 20?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications stop opening.
Some applications from the Play Market do not start.
The phone restarts by itself for no reason.
The phone is slow.
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 certain sites where developers 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 your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
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. 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.
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.
After downloading the image file, return 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.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Transfer the necessary files to the SD card. Using a PC or laptop card reader.
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 'Reboot' and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.
You can start flashing. Click the 'Install' button.
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.
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 device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: OS: Android 14; Chipset: Mediatek Helio G99 (6 nm); CPU: Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55); GPU: Mali-G57 MC2; Type: IPS LCD, 90Hz; Screen Size: 4.7 inches, 53.3 cm 2 (~63.1% screen-to-body ratio); Resolution: 720 x 1600 pixels, 20:9 ratio (~373 ppi density); Protection: Corning Gorilla Glass Victus; Card slot: microSDXC; Internal: 256GB 6GB RAM; Dual: 50 MP, f/2.0, (wide), 1/1.31", 1.2µm 64 MP, f/1.8, (night vision), 2 infrared lights; Features: Dual-LED flash, HDR, panorama; Video: 1440p@30fps, 1080p@30fps; Single camera: 32 MP, f/2.5, (wide), 1/2.8", 0.8µm; Video: 1440p@30fps, 1080p@30fps; Loudspeaker: Yes; 3.5mm jack: Yes; Sensors: Fingerprint, accelerometer, gyro, proximity, compass, barometer; Type: Li-Po 6200 mAh; Charging: 33W wired 15W wireless 5W reverse ...
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