Flash firmware on Oppo K7x
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How to flash Oppo K7x?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some installed applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down for no reason.
The phone began to work slowly.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official website of the phone manufacturer.
On specialized 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 another medium.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Find information about your smartphone model.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. Download, install and launch the application..
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.
On the next screen, select 'TWRP FLASH' and give the application root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.
After downloading the image file, go 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 that you are ready to start the procedure - press 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the device.
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. We open the menu, 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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Now you can start flashing. Click the 'Install' button.
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 you copied the files..
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Operating system: Android 10, ColorOS 7.2; Processor: Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55); Chipset: MediaTek MT6853V Dimensity 720 5G (7 nm); GPU: Mali-G57 MC3; Internal memory: 128GB 6GB RAM; External memory: No; Type: LTPS IPS LCD, 90Hz, 480 nits (typ), 600 nits (peak); Size: 6.5 inches, 102.0 cm 2; Resolution: 1080 x 2400 pixels, 20:9 ratio; Protection: Corning Gorilla Glass 3; SIM: Dual SIM (Nano-SIM, dual stand-by); Dimensions: 162.2 x 75.1 x 9.1 mm (6.39 x 2.96 x 0.36 in); Weight: 194 g (6.84 oz); Colors: Blue, Black; 2G Network: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2; 3G Network: HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100; 4G Network: 1, 2, 3, 4, 5, 7, 8 ...
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