Flash firmware on Oppo F21 Pro
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How to flash Oppo F21 Pro?
Why reinstall the firmware?
The operating system keeps getting errors.
Some installed applications do not open.
Many programs from the Play Market do not work.
The phone restarts or shuts down randomly.
The phone began to work slowly.
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 website of your phone manufacturer.
On sites where third-party developers post custom operating systems.
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 SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
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 a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.
After moving to 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 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.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on 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 on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
You can start flashing. Click the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the storage to which the files were copied.
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, 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 12, ColorOS 12.1; Chipset: Qualcomm SM6225 Snapdragon 680 4G (6 nm); CPU: Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver); GPU: Adreno 610; Type: AMOLED, 90Hz, 430 nits (typ), 600 nits (HBM), 800 nits (peak); Screen Size: 6.43 inches, 99.8 cm 2 (~85.3% screen-to-body ratio); Resolution: 1080 x 2400 pixels, 20:9 ratio (~409 ppi density); Protection: Corning Gorilla Glass 5; Card slot: microSDXC; Internal: 128GB 8GB RAM; Triple camera: 64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 2 MP, f/3.3, (microscope) 2 MP, f/2.4, (depth); Features: LED flash, HDR, panorama; Video: 1080p@30fps, gyro-EIS; Single camera: 32 MP, f/2.4, 24mm (wide), 1/2.74", 0.8µm; Features: Pa ...
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