diff --git a/Mifare Classic Tool/app/src/main/assets/key-files/extended-std.keys b/Mifare Classic Tool/app/src/main/assets/key-files/extended-std.keys
index d5225500..001e5784 100644
--- a/Mifare Classic Tool/app/src/main/assets/key-files/extended-std.keys	
+++ b/Mifare Classic Tool/app/src/main/assets/key-files/extended-std.keys	
@@ -1873,3 +1873,12 @@ FC9418BF788B
 # UK London Office
 435DF6296EC4
 2338B4913222
+
+# FM11RF08S universal backdoor key
+# From Philippe Teuwen research
+# Add by Joker2a
+A396EFA4E24F
+# FM11RF08S older universal backdoor key
+# From Philippe Teuwen research
+# Add by Joker2a
+A31667A8CEC1