The Preloader is the first code that runs on the CPU after the boot ROM. It initializes the DRAM and loads the secondary bootloader (LK or U-Boot). For flashing tools (SP Flash Tool, Miracle Box, UnlockTool, MCT, etc.), the Preloader is the gateway to writing data to the eMMC/UFS storage.
Introduction: What is the "Preloader" Mode? If you have ever tried to flash firmware (stock ROM) on a MediaTek (MTK) powered smartphone—specifically from OPPO or Realme —you have almost certainly encountered the term Preloader . Unlike Qualcomm’s EDL (Emergency Download Mode), MediaTek devices use a proprietary low-level boot stage known as the Preloader . oppo realme mtk preloader
That’s normal. The Preloader times out and reboots the device. You must click “Download” in SP Flash Tool before connecting the USB. The Preloader is the first code that runs