Some applications do not open, reinstalling which does not lead to a positive result.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the website of your 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, 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.
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 find 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. 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, 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 necessary files to the SD memory 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 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 is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
Select the location where you copied the files.
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.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: OS: Android v11; Screen Resolution: 1080 x 2400 Pixels; Screen type: OLED; Pixel density: 401 ppi; Touch screen: Yes, Capacitive Touchscreen, Multi-touch; Internal memory: 128 GB; Front camera: 25 MP; Front camera: 25 MP, f/2.0, (wide); Main camera: 48 MP 16 MP 5 MP 2 MP; Resolution: 48 MP, f/1.8, 26mm , 1/1.7", 0.8Вµm, PDAF, 16 MP, , 1/3.2", 1.4Вµm, PDAF, 5 MP, , 1/3.4", 1.0Вµm, PDAF, 2x optical zoom, 2 MP, f/2.4, 1/5", 1.75Вµm, depth sensor; Camera setup: Single; Flash: Yes, Dual LED Flash; Autofocus: Yes; Shooting modes: Continuos Shooting, High Dynamic Range mode (HDR); Video recording: Yes; Settings: Exposure compensation, ISO control; Camera features: Digital Zoom, ...
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