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S4009 flash file will help you update, downgrade or re-install the stock firmware (Mobile OS) on your device.
Flashing or installing Verykool S4009 firmware (ROM) on Verykool phone can be a useful procedure when your device is experiencing software-related issues or you want to update to the latest version of the operating system.
How to Flash or Install Verykool S4009 Firmware(ROM) (Step-by-Step Instructions):
Step 1: Enable USB Debugging
On your Verykool phone, go to "Settings." Scroll down and tap on "Developer Options." Locate and enable "USB Debugging." If you don't find the Developer Options, go to "About phone" and tap on "Build number" seven times to unlock Developer Options.
Step 2: Power off your Verykool phone
Press and hold the power button on your phone until the power menu appears. Tap on "Power off" or "Restart" and wait for your phone to completely shut down.
Step 3: Boot into the bootloader or fastboot mode
Depending on your device, you can usually enter the bootloader or fastboot mode by pressing a combination of buttons (e.g., Power + Volume Down) while the device is powered off. Refer to your device's manual or search online for the specific button combination.
Step 4: Connect your Verykool phone to the computer
Take a USB cable and connect one end to your phone while keeping the other end connected to your computer.
Step 5: Launch the flashing tool
Open the firmware flashing tool on your computer. This tool could be a standalone application provided by the manufacturer or a third-party flashing tool such as Odin (for Samsung devices) or SP Flash Tool (for MediaTek-based devices).
Step 6: Load the Verykool S4009 firmware file
In the flashing tool, locate and select the Verykool S4009 firmware file you downloaded from this site. The tool might have a specific option to load or browse for the firmware file.
Step 7: Begin the flashing process
Once you have loaded the firmware file, double-check that all the required options are selected or configured correctly, such as the installation mode (e.g., "Download Only," "Upgrade," or "Format All + Download"). Confirm that you have selected the correct device model and firmware version.
Step 8: Initiate the firmware flash
Click on the "Flash" or "Start" button in the flashing tool to initiate the Verykool S4009 firmware installation process. Wait patiently for the flashing tool to install the firmware on your phone. This process may take several minutes, so avoid disconnecting your phone or interrupting the process.
Step 9: Flashing completed
Once the flashing process is complete, you should see a success message or a progress bar reaching 100%. Your Verykool phone will automatically reboot, and the new firmware will be installed.
Step 10: Set up your Verykool phone
After the phone restarts, follow the on-screen instructions to set up your device. If you performed a factory reset during the flashing process, you can restore your backed-up data to your phone.