Flash firmware on Samsung Galaxy F12
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How to flash Samsung Galaxy F12?
Why reinstall the firmware?
The operating system keeps getting errors.
Some installed applications do not open.
Many applications from the Play Market do not start.
The phone restarts by itself for no reason.
The phone began to slow down a lot.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On Internet resources where users 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 an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your phone battery.
Download archive with Firmware.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, click 'Select Device', and find your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the necessary files to the SD memory 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 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. 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 appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where you copied the files.
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 phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Operating System: Android v11; Chipset: Samsung Exynos 8nm Octa 850; Processor: Octa core (2 GHz, Quad core, Cortex A55 2 GHz, Quad core, Cortex A55); Graphics: Mali-G52 MP1; RAM: 4 GB; Custom UI: Samsung One UI; Internal Memory: 64 GB; Expandable Memory: Yes, Up to 1 TB; Screen Size: 6.5 inches (16.55 cm); Resolution: 720 x 1600 pixels; Display Type: IPS LCD; Aspect Ratio: 20:9; Pixel Density: 270 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Resolution: 48 MP f/2.0 (upto 10x Digital Zoom), Wide Angle Primary Camera(2" sensor size, 0.8µm pixel size)5 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera2 MP f/2.4, ...
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