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Flash firmware on Xiaomi Mi 9 Lite

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How to flash Xiaomi Mi 9 Lite?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some applications stop opening.

Many programs from the Play Market do not work.

The phone restarts or shuts down by itself.

The phone slows down a lot during operation.

The OS does not match the system requirements of the smartphone.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where developers 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 the gadget. It must have enough memory for the firmware.

Find information about your smartphone model.

Charge your phone fully.

Download 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.

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, select 'Select Device', and find 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, 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'.

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.

Write the firmware 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 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 click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





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. Click 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. 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 writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.

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





Summary: Brand & Model: Xiaomi Mi 9 Lite; Product Release Date: 12 March, 2019; Fingerprint Sensor: Yes; Waterproof: No; Display Type: IPS capacitive touchscreen; Display Size: 6.01 inches FHD; Resolution: 1080 x 2280 Pixels, 24 bit color depth; Multitouch Input: Yes; Display Colors: 16M Colors; Pixel Density (In PPI): ~ 419.78 PPI Pixel Per Inch; Touch Screen: Multi Touch Support; Touchscreen Technology: Capacitive Touch; Display Protection: Corning Gorilla Glass 6; Features: FHD display~ 419.78 PPI Pixel DensityCapacitive Multi-touch Corning Gorilla Glass 62.5D Curved Glass ScreenWater Drop Notch Scratch resistant103.8% NTSC; Secondary Display: No; Screen to Body Ratio: 86%; Cam ...

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