Hi @jnj ,
Yes, we have tool can help you download all the code:bootstrap, bootloader, local_demo, audio playback files, and FICA table.
Please refer to the design guider:
https://www.nxp.com/webapp/Download?colCode=SLN-LOCAL2-IOT-DG
Chapter 11 Automated manufacturing tools
The tool link is:
https://www.nxp.com/webapp/Download?colCode=Ivaldi_sln_local2_iot&appType=license&location=null
The app should be bankA, when you want to run bank B, you can use the MSD method to update the app directly.
Wish it helps you!
Best Regards,
Kerry