Hi Riki Patel,
FRDM-KE02Z has provided the sample code package, and in the sample package, Bootloader_sci demo can work with the AN2295 PC bootloader application.
So I'd highly recommend you to have a try.
FRDM-KE02Z sample code package:
https://www.nxp.com/webapp/sps/download/preDownload.jsp
I've also attached the AN2295 PC bootloader application.
Hope it helps.
Have a great day,
Ping
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