Flash firmware on Xiaomi Redmi 9 Prime
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How to flash Xiaomi Redmi 9 Prime?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down randomly.
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 website of the manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Find information about your smartphone model.
Fully charge your device's battery.
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.
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.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
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, 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
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 your 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
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.
Now you can start flashing. Click the 'Install' button.
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 the files were copied.
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 corrupted 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.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Operating system: Android 10, MIUI 11; Processor: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55); Chipset: Mediatek Helio G80 (12 nm); GPU: Mali-G52 MC2; Internal memory: 64GB 4GB RAM, 128GB 4GB RAM; External memory: microSDXC (dedicated slot); Type: IPS LCD capacitive touchscreen, 16M colors; Size: 6.53 inches, 104.7 cm 2; Resolution: 1080 x 2340 pixels, 19.5:9 ratio; Protection: Corning Gorilla Glass 3; Body: Water-repellent coating; Body build: Glass front (Gorilla Glass 3), plastic back, plastic frame; SIM: Dual SIM (Nano-SIM, dual stand-by); Dimensions: 163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in); Weight: 198 g (6.98 oz); Colors: Space Blue, Mint Green, Matte Black, Sunrise Fl ...
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