Does this feature require specific GPIO or I2C initialization before the kernel boots?
: Indicates that this specific preloader binary is compiled for devices containing 512 Megabytes (MB) of RAM . Sending a 1GB or 2GB preloader version to a 512MB RAM motherboard will cause an instant hard brick. The Role of a Preloader in MediaTek Devices
: Once the tool is ready, you connect the powered-off phone to the PC, and the tool writes the preloader to the EMMC storage. Common Compatible Devices
If you purchased the device on an e-commerce platform, message the seller directly. Ask for the factory "unbrick firmware package." Vendors frequently supply a private cloud link containing the necessary flash files to resolve buyer disputes. How to Flash the Preloader File