: Represents the motherboard or project code name assigned by the Original Design Manufacturer (ODM) or Original Equipment Manufacturer (OEM). The "k65" usually corresponds to a specific MediaTek chipset family reference design (such as variants of the MT6765 or similar budget chipsets), while "v1" indicates hardware revision 1.
Always use the preloader.bin provided in the exact stock firmware (scatter file) that matches your specific device's board number ( k65v1 ). preloader-k65v1-32-bsp-2g-ago.bin
Download and extract the complete factory firmware package containing the preloader-k65v1-32-bsp-2g-ago.bin and its matching scatter file into a single folder. : Represents the motherboard or project code name
Based on the technical nomenclature in the filename, here are the key features and specifications it identifies: preloader-k65v1-32-bsp-2g-ago.bin