diff --git a/app/AppConfig.cs b/app/AppConfig.cs
index cc2cc6ec..e4336050 100644
--- a/app/AppConfig.cs
+++ b/app/AppConfig.cs
@@ -352,7 +352,7 @@ public static class AppConfig
     // Devices with bugged bios command to change brightness
     public static bool SwappedBrightness()
     {
-        return ContainsModel("FA506IH") || ContainsModel("FA506IC") || ContainsModel("FX506LU") || ContainsModel("FX506IC") || ContainsModel("FX506LH");
+        return ContainsModel("FA506IH") || ContainsModel("FA506IC") || ContainsModel("FX506LU") || ContainsModel("FX506IC") || ContainsModel("FX506LH") || ContainsModel("FA506IV");
     }