Hold the physical reset button on your hardware, click "Unlock" or "Erase" in your software, and release the button a fraction of a second later. 2. Hardware Connection Instability
esptool.py --port COM3 --baud 460800 --before default_reset --after hard_reset write_flash --flash_mode dio 0x1000 your_bootloader.bin
: The most frequent cause is missing or incorrect Qualcomm HS-USB QDLoader 9008 or MediaTek (VCOM) drivers.
Hold the physical reset button on your hardware, click "Unlock" or "Erase" in your software, and release the button a fraction of a second later. 2. Hardware Connection Instability
esptool.py --port COM3 --baud 460800 --before default_reset --after hard_reset write_flash --flash_mode dio 0x1000 your_bootloader.bin
: The most frequent cause is missing or incorrect Qualcomm HS-USB QDLoader 9008 or MediaTek (VCOM) drivers.