Use the nrfutil suit command to perform a series of SUIT operations, such as inspecting SUIT manifest files or uploading SUIT envelopes.
The tool is meant for use with Nordic Semiconductor devices that support the Device Firmware Update using SUIT.
Note: In the nRF Connect SDK v3.1.0, DFU support for nRF54H20 moved from SUIT to MCUboot. See Migrating applications from nRF Connect SDK v3.0.0 (SUIT) to nRF Connect SDK v3.1.0 (IronSide SE) on the nRF54H20 SoC for more information.
All suit subcommands (except for envelope-hierarchy) connect to a device over a serial port and then issue one or multiple commands to the device to perform SUIT operations over SMP over UART.
Before you use these subcommands, make sure you are familiar with SUIT basics and especially SUIT manifests.