Before we dive into the error code, it is essential to understand the tool itself. The (often abbreviated as SSFT or S3FT) is a proprietary utility designed for low-level programming of solid-state memory devices. Unlike high-level OS-based flashing tools, this tool operates close to the hardware, directly interfacing with memory controllers via JTAG, SPI, or custom bootloader interfaces.

The flash controller requires a stable Vcc (typically 3.3V or 1.8V). A dip during the post-erase verify triggers 0xbe .

Open the tool folder and look for a file named FlashList.ini or similar. Open it in Notepad and search for your Flash ID.