Ensure your smartphone has at least 50% battery life to prevent it from powering off mid-flash.
: Version v5.0.1 is a stable release of the official development framework for ESP32 series SoCs. It includes the esptool.py utility used to write binary data to the flash memory of these chips. flashtool-v5.0.1
To use the tool effectively, it helps to understand the underlying mechanics. FlashTool-v5.0.1 communicates with the device’s preloader or boot ROM interface. When a device is powered off and connected via USB, the tool sends a special handshake signal. If the device’s boot ROM recognizes this signal, it loads a small program called the into the device’s RAM. This DA then takes control, authenticating the connection and allowing the PC to read/write directly to the flash storage. Ensure your smartphone has at least 50% battery