Using a patched preloader is risky. If the file doesn't match your specific hardware revision exactly, you can hard-brick the device, making it unable to turn on or enter flash mode. Always back up your original preloader.bin before attempting a flash.
Some patches change a single byte to allow the system to accept older, more "hackable" firmware versions. Fix Hard Bricks: preloaderk62v164bspbin patched
: Many modern MTK phones require an "auth file" to flash. A patched preloader can sometimes bypass this requirement, allowing you to use SP Flash Tool without an authorized service account. Using a patched preloader is risky
(conceptual – offsets vary by build): To disable secure boot checks, locate the instruction that jumps to boot_secure_check() and replace it with NOPs or a direct return. you can hard-brick the device