Introduction - If you have any usage issues, please Google them yourself
STM32 IAP start the program, the first of the program by jLink download to the target board. 2, now times before the power, first in HyperTerminal, press ' C' key, then power will display the Actions menu. 3, press ' 1 ' , into the update mode. 4 is completed, press ' 2 ' to run the program.