diff --git a/Discovery/File-System/OBEX_common.txt b/Discovery/File-System/OBEX_common.txt
index 1acc90f..cc2b677 100644
--- a/Discovery/File-System/OBEX_common.txt
+++ b/Discovery/File-System/OBEX_common.txt
@@ -1,4 +1,4 @@
-# Information hardware
+# Information hardware version, software version, serial number, etc. Character sets
 telecom/devinfo.txt
 # The Real Time Clock
 telecom/rtc.txt
@@ -10,6 +10,8 @@ telecom/cal/###.vcs
 telecom/cal/luid/.vcs
 # Supported properties and memory info
 telecom/cal/info.log
+# Sony Ericson: Level 4 unique index access
+telecom/cal/luid/*.vcs
 # Change log
 telecom/cal/luid/###.log
 # Change counter