If SP Flash Tool shows an error, it is likely you are using the wrong preloader file for your version of the Y33s. Ensure the firmware version matches your device exactly.
Vivo Y33s/Y53s Hang On Logo, Dead Boot, MTK Port Only Fixed - YouTube. This content isn't available. YouTube·UFixer y33s preloader file
The Preloader is the first piece of software that executes when the device is powered on. Its primary responsibilities include: If SP Flash Tool shows an error, it
Once authentication succeeds, the flash memory will initialize, and the tool will execute the partition write commands. This content isn't available
The tool will automatically parse the scatter file and populate the partition list below. Step 3: Isolate the Preloader (If Unbricking)
[Power On] ──> [Boot ROM (BROM)] ──> [Preloader File] ──> [LK / Fastboot] ──> [Android OS] Core Functions of the Preloader