Ck6_v1.7.swf -

: The v1.7 in the filename indicates a specific iteration of the software build. Ensure this matches your device's existing region and hardware revision before proceeding. Required Tools

To use this file, you generally need professional "flashing" tools or interfaces such as: CK6_v1.7.swf

: Some flashing procedures for newer Tecno models require a specific auth file or server connection to bypass bootloader security. Tecno Camon 20 (CK6) - DeviceAtlas : The v1