diff --git a/src/ersky9x/libraries/usb/device/massstorage/MSDDStateMachine.c b/src/ersky9x/libraries/usb/device/massstorage/MSDDStateMachine.c
index bc69a4963..a024e26de 100644
--- a/src/ersky9x/libraries/usb/device/massstorage/MSDDStateMachine.c
+++ b/src/ersky9x/libraries/usb/device/massstorage/MSDDStateMachine.c
@@ -144,6 +144,8 @@ static unsigned char MSDD_PreProcessCommand(MSDDriver *pMsdDriver)
             }
             else if(deviceType == MSDD_DEVICE_TO_HOST) {
 
+                TRACE_ERROR("cmd=0x%0x h=%d d=%d", cbw->pCommand[0], hostLength, deviceLength);
+
                 if(hostLength > deviceLength) {
 
                     // Case 5  (Hi > Di)
diff --git a/src/ersky9x/libraries/usb/device/massstorage/SBCMethods.c b/src/ersky9x/libraries/usb/device/massstorage/SBCMethods.c
index c8ced638b..856bd2e87 100644
--- a/src/ersky9x/libraries/usb/device/massstorage/SBCMethods.c
+++ b/src/ersky9x/libraries/usb/device/massstorage/SBCMethods.c
@@ -1430,6 +1430,7 @@ unsigned char SBC_GetCommandInformation(void          *command,
 
     //------------------------------------
     case SBC_PREVENT_ALLOW_MEDIUM_REMOVAL:
+    case 0x1B:
     //------------------------------------
         (*type) = MSDD_NO_TRANSFER;
         break;
@@ -1589,23 +1590,28 @@ unsigned char SBC_ProcessCommand(MSDLun               *lun,
 
     //------------------------------------
     case SBC_PREVENT_ALLOW_MEDIUM_REMOVAL:
+    case 0x1B:
     //------------------------------------
         TRACE_INFO_WP("PrevAllowRem ");
 
         // Check parameter
         result = command->mediumRemoval.bPrevent ?
                     MSDD_STATUS_PARAMETER : MSDD_STATUS_SUCCESS;
+        result = MSDD_STATUS_SUCCESS;
         break;
+
   #if 0
     //------------------------------------
     case SBC_READ_FORMAT_CAPACITIES:
     //------------------------------------
         TRACE_INFO_WP("RdFmtCap ");
-        if (!SBCLunIsReady(lun)) {
+        result = MSDD_STATUS_RW;
+        break;
+        /* TODO BSS Added if (!SBCLunIsReady(lun)) {
 
             result = MSDD_STATUS_RW;
             break;
-        }
+        } */
   #endif
     //------
     default: