Flash firmware on Vivo X21 FIFA
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How to flash Vivo X21 FIFA?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Some applications stop opening.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the functionality of the stock (official) firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services on which various developers lay out 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. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device's battery.
Download Firmware and 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.
In the next screen, select the item 'TWRP FLASH' 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.
When the file is loaded, you need to 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..
Transfer the firmware and other necessary files to the SD card.
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 clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.
Now you can start flashing. Press the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the storage to which 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 device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 8.1 Oreo; Processor: Qualcomm Snapdragon 660; Processor clock: 2.20 GHz; Number of cores: 8; GPU: Adreno 512; RAM: 6 GB; Internal memory: 128 GB; Interface: Funtouch 4.0; Memory cards: yes; microSD, microSDHC, microSDXC (up to 256 GB); Display: Color / Super AMOLED; 16M colors; 1080 x 2280 px (6.28") 402 ppi; 85.2% screen-to-body ratio; Display protection: yes; Photo matrix: 12 Mpx; Resolution: 4016x3008 px; Flash: yes LED; Digital zoom: yes; Video formats: H.263, H.264, MPEG4 - 30 fps; Additional: AF, f/1.8; Photo matrix: 12 Mpx; Resolution: 4016x3008 px; Flash: yes; Digital zoom: yes; Additional: FF, f/2.0; A-GPS: yes; GPS module: yes; Bluetooth: yes v5.0; EDGE: yes; GPRS: yes ...
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