After the initial flash, you may just want to build and flash just your app, not the bootloader and partition table:
* `make app` - build just the app.
* `make app-flash` - flash just the app.
After the initial flash, you may just want to build and flash just your app, not the bootloader and partition table:
* `make app` - build just the app.
* `make app-flash` - flash just the app.