These strings confirm the binary’s functionality. Look for the ANTI_ROLLBACK_CHECK string—if present, downgrading the Preloader to an older version will fail unless you have a hardware exploit.
: Click on the Scatter-loading choice option and select the corresponding scatter file mapped to your device's architecture. Preloader-k62v1-64-bsp.bin
Why is this so risky? A failed preloader write—even from a momentary USB disconnect, power interruption, or software glitch—will leave the device completely unable to boot. In the worst case, the device may become a “hard brick” that requires specialized equipment (like a JTAG or ISP programmer) to recover, or may be irrecoverable altogether. These strings confirm the binary’s functionality
Keep in mind that this guide is general in nature, and specific details may vary depending on your use case and the target hardware. If you have more information about your project, I'd be happy to try and provide more tailored assistance. Why is this so risky
When installing a complete stock ROM, the preloader is usually one of the partitions included in the flash process. Using SP Flash Tool with the correct scatter file, users can flash the preloader along with other partitions to restore a device to its factory state.