The device will not vibrate or show charging animations when plugged in.
The preloader_k62v1_64_bsp.bin is a specialized bootloader binary designed for MediaTek (MTK) based devices. To understand its purpose, it is necessary to first grasp the boot sequence of a typical MediaTek-powered Android device.
This specific preloader string is most frequently found in firmware for entry-level and mid-range smartphones released around 2019–2021, including: Samsung Galaxy A10s (SM-A107F) : Hardware logs explicitly link this model to the k62v1.64.bsp.titan_P49 build string. Generic MTK Tablets and Smartphones Preloader-k62v1-64-bsp.bin
If you're looking for the exact stock firmware containing this file, I can help you to ensure you find the right download, or I can walk you through the steps to use SP Flash Tool if you already have the file . LAVA LAVA LEX402 - Geekbench Browser
Common file characteristics
If you are dealing with a dead Redmi 9A/9i that is not responding, you may need to use this file to bring it back. ⚠️ Warning:
When the device is completely off and connected via USB, the preloader communicates with the MediaTek Boot ROM (BROM) to establish a VCOM port, allowing specialized software like SP Flash Tool to communicate with the phone. The device will not vibrate or show charging
When using SP Flash Tool, always select the Download Only option. Avoid using the Format All + Download option unless absolutely necessary, as formatting the preloader partition without a guaranteed working replacement will destroy the device's ability to communicate with the PC.
The Preloader-k62v1-64-bsp.bin file is designed for devices with the k62v1_64_bsp motherboard. This motherboard is used with various MediaTek chips, which complicates identification: This specific preloader string is most frequently found