How can i program Nucleol073RZ to program on the the fly from application without using boot pins , only from software application?

[svii]

Is their any limitation to do this , is it possible with dual bank .kindly let me know if any code is available Thanks in advance.

[TDK]

You can use HAL_FLASH_Program to program the flash from within the application. Note that pages need to be erased before writing, and that if you erase a page with your code in it, the code will no longer run.