modify drivers and build firmware

[fatalfeel]

I download 2 projects

1. Zephyr Project 2.5.99

from install to west flash is Done

2. nRF Connect SDK 1.5.99 manully

from install to SES IDE is Done

3. use nrfconnect361x8664.AppImage -> programmer -> flash

Done

I want to do follows~

After modify bootloader or drivers in zephyr/drivers

and build a new firmware then flash it

How do I do build the whole firmware and flash it

Please give me command and install step

[fatalfeel]

thanks i will try and tell you result