Some boards won't flash if the filename is the same as the previous one. Try naming it something unique like firmware_0415.bin
The Sunlu T3 firmware offers several key features that enhance the printing experience: sunlu t3 firmware
This article dives deep into everything you need to know about the Sunlu T3 firmware, including how to identify your mainboard, where to find the correct files, how to flash them safely, and how to compile your own custom firmware. Some boards won't flash if the filename is