fwupdmgr get-devices
T480 Thunderbolt Controller
  DeviceId:             1b56b90356480a359bf1d93ac2a9e123da56499f
  Guid:                 fe328c2d-5300-597b-a21d-991116db8ab6
  Summary:              Unmatched performance for high-speed I/O
  Plugin:               thunderbolt
  Flags:                internal|updatable|registered
  Vendor:               Lenovo
  VendorId:             TBT:0x0109
  Version:              14.00
  Icon:                 computer
  Created:              2018-11-13

20L5CTO1WW System Firmware
  DeviceId:             48477ba14bd9bd0c97323a07caa54b7766f917c2
  Guid:                 dc7f0308-1ef8-4774-9ba5-89a58c4d731c
  Guid:                 230c8b18-8d9b-53ec-838b-6cfc0383493a
  Guid:                 7924fa68-3277-5fd5-aee1-ce5985707c3b
  Plugin:               uefi
  Flags:                internal|updatable|require-ac|registered|needs-reboot
  Version:              0.1.16
  VersionLowest:        0.0.1
  Icon:                 computer
  Created:              2018-11-13

UEFI Device Firmware
  DeviceId:             ea0fd60df22477668e549841f6a22a8c31cae587
  Guid:                 9e21f98b-fe98-455c-b388-da5450ab6979
  Guid:                 b4c101ff-035f-54a0-9147-23a9954dc8e0
  Plugin:               uefi
  Flags:                internal|updatable|require-ac|registered|needs-reboot
  Version:              184.55.3510
  VersionLowest:        0.0.1
  Icon:                 audio-card
  Created:              2018-11-13

UEFI Device Firmware
  DeviceId:             c19580db344e418cf2b23297bcf46d75c06e432a
  Guid:                 b87a926d-189c-49a1-b1ff-921099b1de89
  Guid:                 646e8b00-c980-5327-b889-b518b0a1cc1c
  Plugin:               uefi
  Flags:                internal|updatable|require-ac|registered|needs-reboot
  Version:              0.1.9
  VersionLowest:        0.1.9
  Icon:                 audio-card
  Created:              2018-11-13

LITEON CA3-8D512
  DeviceId:             f2759da7fe8e0388c5f3601cb072f837b1070b03
  Guid:                 c8066dea-4bd3-50ad-9e08-d10bab80d671
  Guid:                 2f3deb1f-5b77-555e-9940-2148efd76a0b
  Guid:                 5cc2eb34-9071-5223-9036-e61ee6fe5a25
  Summary:              NVM Express Solid State Drive
  Plugin:               nvme
  Flags:                internal|updatable|require-ac|registered|needs-reboot
  VendorId:             NVME:0x14A4
  Version:              14979
  Icon:                 drive-harddisk
  Created:              2018-11-13

⌁ [nuke:~] % fwupdmgr refresh
Fetching metadata https://cdn.fwupd.org/downloads/firmware.xml.gz
Downloading…           [***************************************] Less than one minute remaining…
Fetching signature https://cdn.fwupd.org/downloads/firmware.xml.gz.asc

⌁ [nuke:~] % fwupdmgr get-updates
20L5CTO1WW System Firmware has firmware updates:
GUID:                    dc7f0308-1ef8-4774-9ba5-89a58c4d731c
GUID:                    230c8b18-8d9b-53ec-838b-6cfc0383493a
GUID:                    7924fa68-3277-5fd5-aee1-ce5985707c3b
ID:                      com.lenovo.ThinkPadN24ET.firmware
Update Version:          0.1.18
Update Name:             ThinkPad T480
Update Summary:          Lenovo ThinkPad T480 System Firmware
Update Checksum:         SHA1(d18646fe2f227d730a73c88d9493dc247f213305)
Update Location:         https://fwupd.org/downloads/d6bb004692bd92b63070bb69fde906d5de9fb4e9-Lenovo-ThinkPad-T480-SystemFirmware-1.18.cab
Update Description:      The computer will be restarted automatically after updating BIOS completely. Do NOT turn off your computer or remove the AC adaptor while update is in progress.

                          • Updated the CPU microcode.
                          • Updated the Diagnostics module to version 04.04.001.

ID:                      com.lenovo.ThinkPadN24ET.firmware
Update Version:          0.1.17
Update Name:             ThinkPad T480
Update Summary:          Lenovo ThinkPad T480 System Firmware
Update Checksum:         SHA1(6ae373f70ecb6110dbf3cd7adbc29cb612d76e40)
Update Location:         https://fwupd.org/downloads/445d5dbf20be48693fe29bab60dc492d9d631c2a-Lenovo-ThinkPad-T480-SystemFirmware-1.17.cab
Update Description:      The computer will be restarted automatically after updating BIOS completely. Do NOT turn off your computer or remove the AC adaptor while update is in progress.

                          • Update includes a security fix.
                          • Added Hyper Threading enable/disable option to ThinkPad Setup for virtualized system users in order to address LEN-24163 L1 Terminal Fault Side Channel Vulnerabilities (CVE-2018-3646).
                          • Fixed an issue where the system may not unlock by TPM pin code.
                          • Fixed an issue where the system might display the error message "The connected AC adapter has a lower wattage than the recommended AC adapter".

                         This update also adds the following features:

⌁ [nuke:~] % fwupdmgr update
Downloading 0.1.18 for 20L5CTO1WW System Firmware...
Fetching firmware https://fwupd.org/downloads/d6bb004692bd92b63070bb69fde906d5de9fb4e9-Lenovo-ThinkPad-T480-SystemFirmware-1.18.cab
Downloading…           [***************************************]
Decompressing…         [***************************************]
Authenticating…        [***************************************]
Updating 20L5CTO1WW System Firmware…                           ]
Scheduling…            [***************************************]

An update requires a reboot to complete. Restart now? [Y|n]: