diff --git a/horsch/zsh.nix b/horsch/zsh.nix
index ced4a8e..acc233c 100644
--- a/horsch/zsh.nix
+++ b/horsch/zsh.nix
@@ -26,7 +26,7 @@
       ssh fusion "reboot"
     }
 
-    function fu-flash {
+    function fu-swu {
       local ssh_login="fusion"
       local update_file=''${1}
 
@@ -57,5 +57,45 @@
 
       echo "done."
     }
+
+    function fu-wic {
+      local fzf_preview='stat --printf "%n\nSize: %s bytes\nModified: %y" {}'
+
+      uuu.exe -lsusb | grep --silent MX8QM
+      if [ ''$? -eq 0 ]; then
+        echo "fusion found"
+      else
+        echo "fusion not connected"
+        return 1
+      fi
+
+      local bootloader_file=''${1}
+      local wic_file=''${2}
+
+      if [ -z ''${bootloader_file} ]; then
+          bootloader_file=$(find build/tmp/deploy/images -name "imx-boot-horsch-fusion-sd*" -type f \
+            | fzf --select-1 --exit-0 --header "Select a bootloader file" --preview=''${fzf_preview} --preview-window=top)
+      fi
+
+      if [ -z ''${bootloader_file} ]; then
+          echo "no bootloader file selected"
+          return 1
+      fi
+
+      if [ -z ''${wic_file} ]; then
+          wic_file=$(find build/tmp/deploy/images -name "*.wic" -type f \
+            | fzf --select-1 --exit-0 --header="Select a wic image file" --preview=''${fzf_preview} --preview-window=top)
+      fi
+
+      if [ -z ''${wic_file} ]; then
+          echo "no wic file selected"
+          return 1
+      fi
+
+      echo "flashing ''${wic_file} to device..."
+      uuu.exe -v -b emmc_all ''${bootloader_file} ''${wic_file}
+
+      echo "done."
+    }
   '';
 }