diff --git a/src/board_ersky9x.h b/src/board_ersky9x.h
index 2dd456239..87be2527c 100644
--- a/src/board_ersky9x.h
+++ b/src/board_ersky9x.h
@@ -34,6 +34,7 @@
 #ifndef board_ersky9x_h
 #define board_ersky9x_h
 
+#include <stdio.h>
 #include "ersky9x/board.h"
 #include "ersky9x/sound_driver.h"
 #include "ersky9x/haptic_driver.h"
diff --git a/src/ersky9x/debug.cpp b/src/ersky9x/debug.cpp
index 5418e41df..97bbd4d91 100644
--- a/src/ersky9x/debug.cpp
+++ b/src/ersky9x/debug.cpp
@@ -32,7 +32,6 @@
  */
 
 #include "../open9x.h"
-#include <stdio.h>
 #include <stdarg.h>
 
 /*
diff --git a/src/main_views.cpp b/src/main_views.cpp
index 3df6b759e..58ba4bd86 100644
--- a/src/main_views.cpp
+++ b/src/main_views.cpp
@@ -210,7 +210,7 @@ void menuMainView(uint8_t event)
       putsTelemetryValue(6*FW-1, 3*FH, temperature, UNIT_DEGREES, BLINK|INVERS|DBLSIZE);
     }
     else if (g_vbat100mV > g_eeGeneral.vBatWarn && g_eeGeneral.mAhWarn && (g_eeGeneral.mAhUsed + Current_used * (488 + g_eeGeneral.currentCalib)/8192/36) / 500 >= g_eeGeneral.mAhWarn) {
-      putsTelemetryValue(6*FW-1, 3*FH, g_eeGeneral.mAhUsed + Current_used*(488 + g_eeGeneral.currentCalib)/8192/36, UNIT_MAH, BLINK|INVERS|DBLSIZE|PREC1);
+      putsTelemetryValue(7*FW-1, 3*FH, (g_eeGeneral.mAhUsed + Current_used*(488 + g_eeGeneral.currentCalib)/8192/36)/10, UNIT_MAH, BLINK|INVERS|DBLSIZE);
     }
     else
 #endif
diff --git a/src/menus.cpp b/src/menus.cpp
index a0ee6405d..166232215 100644
--- a/src/menus.cpp
+++ b/src/menus.cpp
@@ -667,7 +667,6 @@ uint8_t statusLineHeight = 0;
 
 void showStatusLine()
 {
-  statusLineHeight = 0;
   statusLineTime = get_tmr10ms();
 }
 
diff --git a/src/open9x.cpp b/src/open9x.cpp
index b7f61d5dd..f3a18852a 100644
--- a/src/open9x.cpp
+++ b/src/open9x.cpp
@@ -3341,10 +3341,34 @@ Media medias[MAX_LUNS];
 /** Device LUNs. */
 MSDLun luns[MAX_LUNS];
 
+char *bytes2Str(char *str, uint32_t bytes)
+{
+  if (bytes < 1024*100)
+    sprintf(str, "%lu.%luK", bytes / 1024, (bytes % 1024) / 103);
+  else if (bytes < 1024*1024)
+    sprintf(str, "%luK", bytes / 1024);
+  else if (bytes < 1024*1024*100)
+    sprintf(str, "%lu.%luM", bytes / (1024*1024), (bytes % (1024*1024)) / 104858);
+  else
+    sprintf(str, "%luM", bytes / (1024*1024));
+  return str;
+}
+
+unsigned int msdReadTotal=0, msdWriteTotal=0;
+
 static void MSDCallbacks_Data( unsigned char flowDirection, unsigned int dataLength,
                                unsigned int fifoNullCount, unsigned int fifoFullCount )
 {
-  TRACE_INFO("MSDCallbacks_Data\n\r");
+  if (flowDirection)
+    msdReadTotal += dataLength;
+  else
+    msdWriteTotal += dataLength;
+
+  char rdStr[10];
+  char wrStr[10];
+
+  sprintf(statusLineMsg, "USB Rd:%s Wr:%s", bytes2Str(rdStr, msdReadTotal), bytes2Str(wrStr, msdWriteTotal));
+  showStatusLine();
 }
 
 unsigned char MEDSdcard_Initialize(Media *media, unsigned char mciID);
@@ -3379,8 +3403,8 @@ void usbMassStorage()
   }
 
   /* Mass storage state machine */
-  TRACE_DEBUG("MSDDriver_StateMachine\n\r");
-  MSDDriver_StateMachine();
+  for (uint8_t i=0; i<20; i++)
+    MSDDriver_StateMachine();
 }
 } // extern "C"
 
@@ -3392,9 +3416,11 @@ void menusTask(void * pdata)
     perMain();
     for (uint8_t i=0; i<5; i++) {
       if (PIOC->PIO_PDSR & PIO_PC25) {
-        for (uint8_t i=0; i<10; i++)
-          usbMassStorage();
-        TRACE_DEBUG("Apres usbMassStorage\n\r");
+        usbMassStorage();
+      }
+      else {
+        msdReadTotal = 0;
+        msdWriteTotal = 0;
       }
       CoTickDelay(1);  // 10ms for now
     }