diff --git a/drivers/ninaw10/nina_bt_hci.c b/drivers/ninaw10/nina_bt_hci.c
index 6dc3204471b0e..754e99ed76b45 100644
--- a/drivers/ninaw10/nina_bt_hci.c
+++ b/drivers/ninaw10/nina_bt_hci.c
@@ -50,7 +50,7 @@
 #define OCF_SET_EVENT_MASK      (0x0001)
 #define OCF_RESET               (0x0003)
 
-#define error_printf(...)   mp_printf(&mp_plat_print, "nina_bt_hci.c: " __VA_ARGS__)
+#define error_printf(...)   // mp_printf(&mp_plat_print, "nina_bt_hci.c: " __VA_ARGS__)
 #define debug_printf(...)   // mp_printf(&mp_plat_print, "nina_bt_hci.c: " __VA_ARGS__)
 
 // Provided by the port, and also possibly shared with the stack.
@@ -86,7 +86,7 @@ static int nina_hci_cmd(int ogf, int ocf, size_t param_len, const uint8_t *param
         buf[i] = mp_bluetooth_hci_uart_readchar();
 
         // There seems to be a sync issue with this fw/module.
-        if (i == 0 && buf[0] == 0xFF) {
+        if (i == 0 && (buf[0] == 0xFF || buf[0] == 0xFE)) {
             continue;
         }
 
@@ -121,19 +121,19 @@ static int nina_hci_cmd(int ogf, int ocf, size_t param_len, const uint8_t *param
 
 int mp_bluetooth_hci_controller_init(void) {
     // This is called immediately after the UART is initialised during stack initialisation.
-    mp_hal_pin_output(MICROPY_HW_NINA_GPIO1);
     mp_hal_pin_output(MICROPY_HW_NINA_RESET);
+    mp_hal_pin_write(MICROPY_HW_NINA_RESET, 0);
 
+    mp_hal_pin_output(MICROPY_HW_NINA_GPIO1);
     mp_hal_pin_write(MICROPY_HW_NINA_GPIO1, 0);
-    mp_hal_pin_write(MICROPY_HW_NINA_RESET, 0);
-    mp_hal_delay_ms(100);
+    mp_hal_delay_ms(150);
 
     mp_hal_pin_write(MICROPY_HW_NINA_RESET, 1);
     mp_hal_delay_ms(750);
 
-    // The UART must be re-initialize here because the GPIO1/RX pin is used initially
+    // The UART must be re-initialized here because the GPIO1/RX pin is used initially
     // to reset the module in Bluetooth mode. This will change back the pin to UART RX.
-    mp_bluetooth_hci_uart_init(0, 0);
+    mp_bluetooth_hci_uart_init(MICROPY_HW_BLE_UART_ID, MICROPY_HW_BLE_UART_BAUDRATE);
 
     // Send reset command
     return nina_hci_cmd(OGF_HOST_CTL, OCF_RESET, 0, NULL);
diff --git a/ports/rp2/boards/ARDUINO_NANO_RP2040_CONNECT/mpconfigboard.h b/ports/rp2/boards/ARDUINO_NANO_RP2040_CONNECT/mpconfigboard.h
index 98b9c0f6faa72..026702da4519e 100644
--- a/ports/rp2/boards/ARDUINO_NANO_RP2040_CONNECT/mpconfigboard.h
+++ b/ports/rp2/boards/ARDUINO_NANO_RP2040_CONNECT/mpconfigboard.h
@@ -39,7 +39,7 @@
 
 // Bluetooth config.
 #define MICROPY_HW_BLE_UART_ID          (1)
-#define MICROPY_HW_BLE_UART_BAUDRATE    (119600)
+#define MICROPY_HW_BLE_UART_BAUDRATE    (115200)
 
 // WiFi/NINA-W10 config.
 #define MICROPY_HW_WIFI_SPI_ID          (1)
diff --git a/ports/rp2/mpbthciport.c b/ports/rp2/mpbthciport.c
index d5b3c6073ade2..7722360920916 100644
--- a/ports/rp2/mpbthciport.c
+++ b/ports/rp2/mpbthciport.c
@@ -43,11 +43,9 @@ static alarm_id_t poll_timer_id = 0;
 
 uint8_t mp_bluetooth_hci_cmd_buf[4 + 256];
 
-// Prevent double-enqueuing of the scheduled task.
-STATIC volatile bool events_task_is_scheduled;
+static mp_sched_node_t mp_bluetooth_hci_sched_node;
 
 void mp_bluetooth_hci_init(void) {
-    events_task_is_scheduled = false;
 }
 
 static int64_t mp_bluetooth_hci_timer_callback(alarm_id_t id, void *user_data) {
@@ -65,25 +63,16 @@ void mp_bluetooth_hci_poll_in_ms(uint32_t ms) {
 
 // For synchronous mode, we run all BLE stack code inside a scheduled task.
 // This task is scheduled periodically via a timer, or immediately after UART RX IRQ.
-STATIC mp_obj_t run_events_scheduled_task(mp_obj_t none_in) {
-    (void)none_in;
-    events_task_is_scheduled = false;
-    // This will process all HCI data, and run any callouts or events.
+STATIC void run_events_scheduled_task(mp_sched_node_t *node) {
+    (void)node;
+    // This will process all buffered HCI UART data, and run any callouts or events.
     mp_bluetooth_hci_poll();
-    return mp_const_none;
 }
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(run_events_scheduled_task_obj, run_events_scheduled_task);
 
 // Called periodically (systick) or directly (e.g. UART RX IRQ) in order to
 // request that processing happens ASAP in the scheduler.
 void mp_bluetooth_hci_poll_now(void) {
-    if (!events_task_is_scheduled) {
-        events_task_is_scheduled = mp_sched_schedule(MP_OBJ_FROM_PTR(&run_events_scheduled_task_obj), mp_const_none);
-        if (!events_task_is_scheduled) {
-            // The schedule queue is full, set callback to try again soon.
-            mp_bluetooth_hci_poll_in_ms(5);
-        }
-    }
+    mp_sched_schedule_node(&mp_bluetooth_hci_sched_node, run_events_scheduled_task);
 }
 
 #if defined(MICROPY_HW_BLE_UART_ID)
@@ -91,7 +80,6 @@ void mp_bluetooth_hci_poll_now(void) {
 mp_obj_t mp_bthci_uart;
 
 STATIC void mp_bluetooth_hci_start_polling(void) {
-    events_task_is_scheduled = false;
     mp_bluetooth_hci_poll_now();
 }
 
@@ -99,16 +87,18 @@ int mp_bluetooth_hci_uart_init(uint32_t port, uint32_t baudrate) {
     debug_printf("mp_bluetooth_hci_uart_init\n");
 
     mp_obj_t args[] = {
-        MP_OBJ_NEW_SMALL_INT(MICROPY_HW_BLE_UART_ID),
-        MP_OBJ_NEW_SMALL_INT(MICROPY_HW_BLE_UART_BAUDRATE),
+        MP_OBJ_NEW_SMALL_INT(port),
+        MP_OBJ_NEW_QSTR(MP_QSTR_baudrate), MP_OBJ_NEW_SMALL_INT(baudrate),
         MP_OBJ_NEW_QSTR(MP_QSTR_flow), MP_OBJ_NEW_SMALL_INT((1 | 2)),
         MP_OBJ_NEW_QSTR(MP_QSTR_timeout), MP_OBJ_NEW_SMALL_INT(1000),
+        MP_OBJ_NEW_QSTR(MP_QSTR_timeout_char), MP_OBJ_NEW_SMALL_INT(200),
+        MP_OBJ_NEW_QSTR(MP_QSTR_rxbuf), MP_OBJ_NEW_SMALL_INT(768),
     };
 
     // This is a statically-allocated UART (see machine_uart.c), and doesn't
     // contain any heap pointers other than the ringbufs (which are already
     // root pointers), so no need to track this as a root pointer.
-    mp_bthci_uart = MP_OBJ_TYPE_GET_SLOT(&machine_uart_type, make_new)((mp_obj_t)&machine_uart_type, 2, 2, args);
+    mp_bthci_uart = MP_OBJ_TYPE_GET_SLOT(&machine_uart_type, make_new)((mp_obj_t)&machine_uart_type, 1, 5, args);
 
     // Start the HCI polling to process any initial events/packets.
     mp_bluetooth_hci_start_polling();
diff --git a/ports/rp2/mpconfigport.h b/ports/rp2/mpconfigport.h
index df44831662443..056e2df4fe203 100644
--- a/ports/rp2/mpconfigport.h
+++ b/ports/rp2/mpconfigport.h
@@ -283,7 +283,7 @@ extern uint32_t rosc_random_u32(void);
 extern void lwip_lock_acquire(void);
 extern void lwip_lock_release(void);
 
-#if MICROPY_PY_BLUETOOTH_CYW43
+#if MICROPY_PY_BLUETOOTH || MICROPY_PY_BLUETOOTH_CYW43
 // Bluetooth code only runs in the scheduler, no locking/mutex required.
 #define MICROPY_PY_BLUETOOTH_ENTER uint32_t atomic_state = 0;
 #define MICROPY_PY_BLUETOOTH_EXIT (void)atomic_state;