diff --git a/fxos/info.cpp b/fxos/info.cpp
index 1e3b06e..c4c1fe7 100644
--- a/fxos/info.cpp
+++ b/fxos/info.cpp
@@ -12,7 +12,7 @@ static char const *info_str =
 "Header information:\n"
 "  Bootcode timestamp (DateA)                 (0x%000008x)  :  %s\n"
 "  Bootcode checksum                          (0x%000008x)  :  0x%08x\n"
-//"  Serial number                              (0x%000008x)  :  %s\n"
+"  Serial number                              (0x%000008x)  :  %s\n"
 "  OS version                                 (0x%000008x)  :  %s\n";
 
 static char const *footer_str =
@@ -41,7 +41,7 @@ void os_info(Target &t)
 	printf(info_str, (os.type == OS::FX ? "FX" : "CG"),
 		&os.bootcode_timestamp, os.bootcode_timestamp.value.c_str(),
 		&os.bootcode_checksum, os.bootcode_checksum,
-//		&os.serial_number, os.serial_number,
+		&os.serial_number, os.serial_number.value.c_str(),
 		&os.version, os.version.value.c_str());
 
 	if(os.footer == (uint32_t)-1)
diff --git a/lib/os.cpp b/lib/os.cpp
index fa01a97..45c60bd 100644
--- a/lib/os.cpp
+++ b/lib/os.cpp
@@ -38,7 +38,6 @@ void OS::parse_header()
 		this->bootcode_timestamp = t.read_str(0x8000ffb0, 14);
 		this->bootcode_checksum = t.read_u32(0x8000fffc);
 		this->version = t.read_str(0x80010020, 10);
-		/* Serial numer at 0xffd0... sometimes? */
 		this->serial_number = t.read_str(0x8000ffd0, 8);
 	}
 	else if(this->type == CG)