Errors periodically appear in the Android operating system.
Some applications stop opening.
Many programs from the Play Market do not work.
The phone restarts or shuts down randomly.
The phone started to work slowly.
You have decided to try a different version of Android.
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 user data, contacts and photos and transfer it to your computer.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
Charge your phone fully.
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 agree to install the firmware, as well as agree to grant 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 on the 'Select Device' drop-down list, and select 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now 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 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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.
Press the 'Install' button to start the flashing.
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.
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 flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 14, up to 6 major Android upgrades, One UI 6.1; Chipset: Exynos 1330 (5 nm) or Mediatek Dimensity 6300 (6 nm); CPU: Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) or Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55); GPU: Mali-G68 MP2 or Mali-G57 MC2; Type: Super AMOLED, 90Hz, 800 nits (HBM); Screen Size: 6.7 inches, 110.2 cm 2 (~86.0% screen-to-body ratio); Resolution: 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density); Card slot: microSDXC; Internal: 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM; Triple camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro); Features: LED flash, panorama, HDR; Video: 1080p@30fps, gyro-EIS; Single camera: 13 MP, f/2.0, (wide), 1/3.1", 1.12µm; Video: 1080p ...
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