diff --git a/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c b/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
index 2d640ef3387ec0..fa177459a06e15 100644
--- a/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
+++ b/examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.c
@@ -42,7 +42,6 @@
 #include "ble_config.h"
 
 #include "dhcp_client.h"
-#include "lwip/nd6.h"
 #include "sl_wifi.h"
 #include "wfx_host_events.h"
 #include "wfx_rsi.h"
@@ -173,14 +172,13 @@ sl_status_t join_callback_handler(sl_wifi_event_t event, char * result, uint32_t
     {
         SILABS_LOG("F: Join Event received with %u bytes payload\n", result_length);
         callback_status = *(sl_status_t *) result;
-        wfx_rsi.join_retries += 1;
         wfx_rsi.dev_state &= ~(WFX_RSI_ST_STA_CONNECTED);
         wfx_retry_interval_handler(is_wifi_disconnection_event, wfx_rsi.join_retries++);
+        is_wifi_disconnection_event = true;
         if (is_wifi_disconnection_event || wfx_rsi.join_retries <= WFX_RSI_CONFIG_MAX_JOIN)
         {
             xEventGroupSetBits(wfx_rsi.events, WFX_EVT_STA_START_JOIN);
         }
-        is_wifi_disconnection_event = true;
         return SL_STATUS_FAIL;
     }
     /*
@@ -189,6 +187,12 @@ sl_status_t join_callback_handler(sl_wifi_event_t event, char * result, uint32_t
     SILABS_LOG("join_callback_handler: join completed.");
     SILABS_LOG("%c: Join Event received with %u bytes payload\n", *result, result_length);
     xEventGroupSetBits(wfx_rsi.events, WFX_EVT_STA_CONN);
+    wfx_rsi.join_retries = 0;
+    retryInterval        = WLAN_MIN_RETRY_TIMER_MS;
+    if (is_wifi_disconnection_event)
+    {
+        is_wifi_disconnection_event = false;
+    }
     callback_status = SL_STATUS_OK;
     return SL_STATUS_OK;
 }
@@ -419,11 +423,6 @@ sl_status_t bg_scan_callback_handler(sl_wifi_event_t event, sl_wifi_scan_result_
  *******************************************************************************************/
 static void wfx_rsi_save_ap_info() // translation
 {
-    if (wfx_rsi.dev_state & WFX_RSI_ST_SCANSTARTED)
-    {
-        return;
-    }
-    wfx_rsi.dev_state |= WFX_RSI_ST_SCANSTARTED;
     sl_status_t status = SL_STATUS_OK;
 #ifndef EXP_BOARD // TODO: this changes will be reverted back after the SDK team fix the scan API
     sl_wifi_scan_configuration_t wifi_scan_configuration = { 0 };
@@ -433,6 +432,7 @@ static void wfx_rsi_save_ap_info() // translation
     ssid_arg.length = strlen(wfx_rsi.sec.ssid);
     memcpy(ssid_arg.value, (int8_t *) &wfx_rsi.sec.ssid[0], ssid_arg.length);
     sl_wifi_set_scan_callback(scan_callback_handler, NULL);
+    scan_results_complete = false;
 #ifndef EXP_BOARD
     // TODO: this changes will be reverted back after the SDK team fix the scan API
     status = sl_wifi_start_scan(SL_WIFI_CLIENT_2_4GHZ_INTERFACE, &ssid_arg, &wifi_scan_configuration);
@@ -537,15 +537,18 @@ static sl_status_t wfx_rsi_do_join(void)
         }
         else
         {
-            while (is_wifi_disconnection_event || wfx_rsi.join_retries <= WFX_RSI_CONFIG_MAX_JOIN)
+            if (is_wifi_disconnection_event || wfx_rsi.join_retries <= WFX_RSI_CONFIG_MAX_JOIN)
             {
-                SILABS_LOG("%s: Wifi connect failed with status: %x", __func__, status);
-                SILABS_LOG("%s: failed. retry: %d", __func__, wfx_rsi.join_retries);
-                wfx_retry_interval_handler(is_wifi_disconnection_event, wfx_rsi.join_retries++);
-                if (is_wifi_disconnection_event || wfx_rsi.join_retries <= WFX_RSI_CONFIG_MAX_JOIN)
-                    xEventGroupSetBits(wfx_rsi.events, WFX_EVT_STA_START_JOIN);
-                SILABS_LOG("%s: starting JOIN to %s after %d tries\n", __func__, (char *) &wfx_rsi.sec.ssid[0],
+                SILABS_LOG("wfx_rsi_do_join: Wifi connect failed with status: %x", status);
+                SILABS_LOG("wfx_rsi_do_join: starting JOIN to %s after %d tries\n", (char *) &wfx_rsi.sec.ssid[0],
                            wfx_rsi.join_retries);
+                wfx_rsi.join_retries += 1;
+                wfx_rsi.dev_state &= ~(WFX_RSI_ST_STA_CONNECTING | WFX_RSI_ST_STA_CONNECTED);
+                if (is_wifi_disconnection_event || wfx_rsi.join_retries <= MAX_JOIN_RETRIES_COUNT)
+                {
+                    xEventGroupSetBits(wfx_rsi.events, WFX_EVT_STA_START_JOIN);
+                }
+                wfx_retry_interval_handler(is_wifi_disconnection_event, wfx_rsi.join_retries);
             }
         }
     }
@@ -630,14 +633,6 @@ void wfx_rsi_task(void * arg)
                     hasNotifiedIPV4 = false;
                 }
 #endif /* CHIP_DEVICE_CONFIG_ENABLE_IPV4 */
-                /*
-                 * Checks if the IPv6 event has been notified, if not invoke the nd6_tmr,
-                 * which starts the duplicate address detectation.
-                 */
-                if (!hasNotifiedIPV6)
-                {
-                    nd6_tmr();
-                }
                 /* Checks if the assigned IPv6 address is preferred by evaluating
                  * the first block of IPv6 address ( block 0)
                  */
@@ -720,11 +715,11 @@ void wfx_rsi_task(void * arg)
                     wifi_scan_configuration = default_wifi_scan_configuration;
                 }
                 sl_wifi_set_scan_callback(bg_scan_callback_handler, NULL);
+                scan_results_complete = false;
                 wfx_rsi.dev_state |= WFX_RSI_ST_SCANSTARTED;
                 status = sl_wifi_start_scan(SL_WIFI_CLIENT_2_4GHZ_INTERFACE, NULL, &wifi_scan_configuration);
                 if (SL_STATUS_IN_PROGRESS == status)
                 {
-                    printf("Scanning...\r\n");
                     const uint32_t start = osKernelGetTickCount();
                     while (!bg_scan_results_complete && (osKernelGetTickCount() - start) <= WIFI_SCAN_TIMEOUT_TICK)
                     {
diff --git a/examples/platform/silabs/SiWx917/uart.cpp b/examples/platform/silabs/SiWx917/uart.cpp
index 333c12a30e244d..ee6f9ab6235246 100644
--- a/examples/platform/silabs/SiWx917/uart.cpp
+++ b/examples/platform/silabs/SiWx917/uart.cpp
@@ -49,7 +49,7 @@ void callback_event(uint32_t event)
     case SL_USART_EVENT_RECEIVE_COMPLETE:
 #ifdef ENABLE_CHIP_SHELL
         chip::NotifyShellProcessFromISR();
-#endif;
+#endif
     case SL_USART_EVENT_TRANSFER_COMPLETE:
         break;
     }
@@ -72,28 +72,25 @@ void uartConsoleInit(void)
     usart_config.synch_mode    = DISABLE;
     sl_si91x_usart_control_config_t get_config;
 
-    // Initialized board UART
-    DEBUGINIT();
-
     // Initialize the UART
     status = sl_si91x_usart_init((usart_peripheral_t) usart_config.usart_module, &usart_handle);
     if (status != SL_STATUS_OK)
     {
-        DEBUGOUT("sl_si91x_usart_initialize: Error Code : %lu \n", status);
+        SILABS_LOG("sl_si91x_usart_initialize: Error Code : %lu \n", status);
     }
 
     // Configure the USART configurations
     status = sl_si91x_usart_set_configuration(usart_handle, &usart_config);
     if (status != SL_STATUS_OK)
     {
-        DEBUGOUT("sl_si91x_usart_set_configuration: Error Code : %lu \n", status);
+        SILABS_LOG("sl_si91x_usart_set_configuration: Error Code : %lu \n", status);
     }
 
     // Register user callback function
     status = sl_si91x_usart_register_event_callback(callback_event);
     if (status != SL_STATUS_OK)
     {
-        DEBUGOUT("sl_si91x_usart_register_event_callback: Error Code : %lu \n", status);
+        SILABS_LOG("sl_si91x_usart_register_event_callback: Error Code : %lu \n", status);
     }
 
     NVIC_EnableIRQ(USART0_IRQn);
diff --git a/examples/thermostat/silabs/src/ThermostatUI.cpp b/examples/thermostat/silabs/src/ThermostatUI.cpp
index 94a602ef6550bb..9d84517e0fb5c3 100644
--- a/examples/thermostat/silabs/src/ThermostatUI.cpp
+++ b/examples/thermostat/silabs/src/ThermostatUI.cpp
@@ -25,6 +25,10 @@
 #include "glib.h"
 #include "lcd.h"
 
+#if SL_WIFI
+#include "spi_multiplex.h"
+#endif // SL_WIFI
+
 // LCD line define
 constexpr uint8_t kTempLcdInitialX = 30;
 
@@ -65,7 +69,13 @@ void ThermostatUI::DrawUI(GLIB_Context_t * glibContext)
     DrawCurrentTemp(glibContext, mCurrentTempCelsius);
     DrawFooter(glibContext, false);
 
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_pre_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
     DMD_updateDisplay();
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_post_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
 }
 
 void ThermostatUI::SetHeatingSetPoint(int8_t temp)
@@ -98,7 +108,13 @@ void ThermostatUI::DrawHeader(GLIB_Context_t * glibContext)
                     WIFI_BITMAP_HEIGHT, (UI_WIFI) ? wifiLogo : threadLogo);
     // Draw Matter Icon
     GLIB_drawBitmap(glibContext, MATTER_ICON_POSITION_X, STATUS_ICON_LINE, MATTER_LOGO_WIDTH, MATTER_LOGO_HEIGHT, matterLogoBitmap);
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_pre_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
     DMD_updateDisplay();
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_post_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
 }
 
 void ThermostatUI::DrawFooter(GLIB_Context_t * glibContext, bool autoMode)
@@ -129,7 +145,13 @@ void ThermostatUI::DrawFooter(GLIB_Context_t * glibContext, bool autoMode)
         break;
     }
 
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_pre_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
     DMD_updateDisplay();
+#if SL_LCDCTRL_MUX
+    sl_wfx_host_post_lcd_spi_transfer();
+#endif // SL_LCDCTRL_MUX
 }
 
 /**
diff --git a/src/platform/silabs/BLEManagerImpl.h b/src/platform/silabs/BLEManagerImpl.h
index 602c28fcdf5a7d..de149d7d71149b 100644
--- a/src/platform/silabs/BLEManagerImpl.h
+++ b/src/platform/silabs/BLEManagerImpl.h
@@ -157,7 +157,7 @@ class BLEManagerImpl final : public BLEManager, private BleLayer, private BlePla
     enum
     {
         kMaxConnections      = BLE_LAYER_NUM_BLE_ENDPOINTS,
-        kMaxDeviceNameLength = 16,
+        kMaxDeviceNameLength = 21,
         kUnusedIndex         = 0xFF,
     };