unzip firmware.zip 
Archive:  firmware.zip
  inflating: firmware-b43-installer_019-7_all.deb  
  inflating: firmware-b43legacy-installer_019-7_all.deb  
  inflating: firmware-linux-free_20200122-1_all.deb  
  inflating: hdmi2usb-fx2-firmware_0.0.0~git20151225-3_all.deb  
  inflating: firmware-ath9k-htc_1.4.0-106-gc583009+dfsg1-1_all.deb  
  inflating: amd64-microcode_3.20191218.1_amd64.deb  
  inflating: amd64-microcode_3.20191218.1_i386.deb  
  inflating: atmel-firmware_1.3-4.1_all.deb  
  inflating: bluez-firmware_1.2-4_all.deb  
  inflating: dahdi-firmware-nonfree_2.11.1.0.20170917-1_all.deb  
  inflating: firmware-amd-graphics_20210315-3_all.deb  
  inflating: firmware-atheros_20210315-3_all.deb  
  inflating: firmware-bnx2_20210315-3_all.deb  
  inflating: firmware-bnx2x_20210315-3_all.deb  
  inflating: firmware-brcm80211_20210315-3_all.deb  
  inflating: firmware-cavium_20210315-3_all.deb  
  inflating: firmware-intel-sound_20210315-3_all.deb  
  inflating: firmware-intelwimax_20210315-3_all.deb  
  inflating: firmware-ipw2x00_20210315-3_all.deb  
  inflating: firmware-ivtv_20210315-3_all.deb  
  inflating: firmware-iwlwifi_20210315-3_all.deb  
  inflating: firmware-libertas_20210315-3_all.deb  
  inflating: firmware-misc-nonfree_20210315-3_all.deb  
  inflating: firmware-myricom_20210315-3_all.deb  
  inflating: firmware-netronome_20210315-3_all.deb  
  inflating: firmware-netxen_20210315-3_all.deb  
  inflating: firmware-qcom-soc_20210315-3_all.deb  
  inflating: firmware-qlogic_20210315-3_all.deb  
  inflating: firmware-realtek_20210315-3_all.deb  
  inflating: firmware-samsung_20210315-3_all.deb  
  inflating: firmware-siano_20210315-3_all.deb  
  inflating: firmware-ti-connectivity_20210315-3_all.deb  
  inflating: firmware-sof-signed_1.7-1_all.deb  
  inflating: intel-microcode_3.20220510.1~deb11u1_amd64.deb  
  inflating: intel-microcode_3.20220510.1~deb11u1_i386.deb  
  inflating: ixp4xx-microcode_2.4-3_armel.deb  
  inflating: raspi-firmware_1.20210303+ds-2_arm64.deb  
  inflating: raspi-firmware_1.20210303+ds-2_armel.deb  
  inflating: raspi-firmware_1.20210303+ds-2_armhf.deb  
  inflating: firmware-zd1211_1.5-7_all.deb