Open your preferred flashing tool (e.g., a portable version of Miracle Box).

usually requires a specific boot key (often the center button or '*' key) while connecting the USB cable to the PC.

A flash file, also known as a firmware or ROM file, is a type of software that is used to update or restore the operating system of a mobile device, in this case, the Kechaoda K115. It contains the necessary data and instructions to rewrite the device's memory and bring it back to its original state or upgrade it to a newer version.

Configure the flash tool according to your device's specifications.