Flash firmware on Xiaomi Redmi 12A
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How to flash Xiaomi Redmi 12A?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications do not open, reinstalling which does not lead to a positive result.
Many programs from the Play Market do not work.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On sites where developers 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 an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your device.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click 'Select Device', and select your phone model.
After selecting a phone, the application will direct 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.
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..
Write the firmware to the SD card. Using a PC or laptop card reader.
Insert a memory card into your 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. 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.
The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
Select the location where the files were copied. Press the 'OK' button.
Find the file we need 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 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: Smart Phone OS: Android v12; CPU: Octa core (2.3 GHz, Quad core, Cortex A53 1.8 GHz, Quad core, Cortex A53); Chipset: MediaTek Helio G35; Architecture: 64 bit; GPU: PowerVR GE8320; RAM: 4 GB; Screen Size: 6.6 inches (16.76 cm); Screen Resolution: 720 x 1520 pixels; Display Type: IPS LCD; Display dots per inch: 255 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Bezel-less display: Yes with waterdrop notch; Internal Memory: 64 GB; Expandable Memory: Yes, Up to 512 GB; SIM 1: 4G Bands: TD-LTE 2300(band 40)FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHzGPRS: Available EDGE: Available; SIM 2: 4G Bands: TD-LTE 2300(band ...
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