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Flash firmware on Xiaomi Qin 2 Pro

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How to flash Xiaomi Qin 2 Pro?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some applications stop opening.

Some programs from the Play Market do not start.

The phone restarts or shuts down by itself.

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 manufacturer.

On specialized resources where users post custom or official OS.


What should be done before installing the firmware?

Create a backup copy of all personal information: contacts, photos and transfer it to another computer.

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

Determine your smartphone model.

Fully charge your device's battery.

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





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

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.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click 'Select Device', 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. Select the file downloaded in the previous step.

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

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

Copy the required 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 'Reboot' and then click on the 'REBOOT RECOVERY' button.





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..



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 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.

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





Summary: OS: Android 9.0 Pie; CPU: ARM Cortex-A55; CPU frequency: 1600.0 MHz (4-core); Chipset: Unisoc SC9863A; GPU: PowerVR GE8322; RAM Memory: 2 GB; Display: LCD IPS Color (16M), 576x1440 px (5.05") 307ppi; Touch screen: yes; Built-in memory: 32 GB; Camera: 7.95 MPx; Resolution: 3248 x 2448 px; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: no; Second camera: yes; Bluetooth: 4.2; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; LTE: LTE-FDD: 1800, 2600, LTE-TDD: 1900, 2300, 2500, 2600; GSM: 850 900 1800 1900; HSDPA: 850 900 1900 2100 HSPA; USB: 2.0; WAP: 2.0; Wi-Fi: 802.11 a/b/g/n; Audio formats: AAC, AAC , MIDI, MP3, WMA, WAV, AMR, FLAC, OGG; Audio out: no; Games: yes; MP3 player: yes; MP ...

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