diff --git a/nRF5_SDK_11.0.0_89a8197/components/libraries/bootloader_dfu/hci_transport/hci_transport_config.h b/nRF5_SDK_11.0.0_89a8197/components/libraries/bootloader_dfu/hci_transport/hci_transport_config.h
index 9dc1866..dd8c416 100644
--- a/nRF5_SDK_11.0.0_89a8197/components/libraries/bootloader_dfu/hci_transport/hci_transport_config.h
+++ b/nRF5_SDK_11.0.0_89a8197/components/libraries/bootloader_dfu/hci_transport/hci_transport_config.h
@@ -32,7 +32,7 @@
 
 #define HCI_SLIP_UART_CTS_PIN_NUMBER CTS_PIN_NUMBER                     /**< Defines the UART CTS pin number. The default pin for the board is chosen, but can be overwritten. */
 
-#define HCI_SLIP_UART_MODE           APP_UART_FLOW_CONTROL_DISABLED     /**< Defines the UART mode to be used. Use UART Low Power with Flow Control - Valid values are defined in \ref app_uart_flow_control_t. For further information on the UART Low Power mode, please refer to: \ref app_uart . */
+#define HCI_SLIP_UART_MODE           HWFC                               /**< Defines the UART mode to be used. Use UART Low Power with Flow Control - Valid values are defined in \ref app_uart_flow_control_t. For further information on the UART Low Power mode, please refer to: \ref app_uart . */
 
 #define HCI_SLIP_UART_BAUDRATE       UART_BAUDRATE_BAUDRATE_Baud115200 // UART_BAUDRATE_BAUDRATE_Baud38400   /**< Defines the UART Baud rate. Default is 38400 baud. */
 
diff --git a/src/feather52840.h b/src/feather52840.h
index f623934..b6ed782 100644
--- a/src/feather52840.h
+++ b/src/feather52840.h
@@ -60,7 +60,7 @@
 #define TX_PIN_NUMBER  6
 #define CTS_PIN_NUMBER 7
 #define RTS_PIN_NUMBER 5
-#define HWFC           false
+#define HWFC           true
 
 // Used as model string in OTA mode
 #define DIS_MODEL      "Bluefruit Feather 52840"
diff --git a/src/s140_6.0.0.ld b/src/s140_6.0.0.ld
index b23221f..1777ae9 100644
--- a/src/s140_6.0.0.ld
+++ b/src/s140_6.0.0.ld
@@ -13,8 +13,8 @@ MEMORY
    */
   FLASH (rx) : ORIGIN = 0xF4000, LENGTH = 0xA000 /* 40 KB */
 
-  /** RAM Region for bootloader. This setting is suitable when used with s132. */
-  RAM (rwx) :  ORIGIN = 0x20003000, LENGTH = 0x4000
+  /** RAM Region for bootloader. This setting is suitable when used with s140. */
+  RAM (rwx) :  ORIGIN = 0x20004000, LENGTH = 0x4000
 
   /** Location of non initialized RAM. Non initialized RAM is used for exchanging bond information
    *  from application to bootloader when using buttonluss DFU OTA.