diff --git a/rmk/src/ble/nrf/bonder.rs b/rmk/src/ble/nrf/bonder.rs
index 59b6b298..b68598cf 100644
--- a/rmk/src/ble/nrf/bonder.rs
+++ b/rmk/src/ble/nrf/bonder.rs
@@ -91,6 +91,10 @@ impl MultiBonder {
 
         if let Some(slot_num) = saved_slot_num_for_conn {
             if slot_num != current_profile {
+                debug!(
+                    "Bonded device {} is not on active profile {}",
+                    addr, current_profile
+                );
                 return false;
             }
         }
diff --git a/rmk/src/ble/nrf/mod.rs b/rmk/src/ble/nrf/mod.rs
index c987211c..b94fa83f 100644
--- a/rmk/src/ble/nrf/mod.rs
+++ b/rmk/src/ble/nrf/mod.rs
@@ -259,9 +259,11 @@ pub async fn initialize_nrf_ble_keyboard_and_run<
     if let Ok(Some(StorageData::ActiveBleProfile(profile))) =
         read_storage!(storage, &(StorageKeys::ActiveBleProfile as u32), buf)
     {
+        debug!("Loaded active profile: {}", profile);
         ACTIVE_PROFILE.store(profile, Ordering::SeqCst);
     } else {
         // If no saved active profile, use 0 as default
+        debug!("Loaded default active profile",);
         ACTIVE_PROFILE.store(0, Ordering::SeqCst);
     };
 
@@ -567,7 +569,9 @@ pub(crate) async fn run_dummy_keyboard<
             warn!("Dummy service receives")
         }
     };
-
+    // Even for dummy service, we need to set the connection state to true.
+    // So that we can receive the matrix scan result from split, which might be used for profile switching
+    CONNECTION_STATE.store(true, Ordering::Release);
     match select4(matrix_fut, keyboard_fut, storage_fut, dummy_communication).await {
         Either4::First(_) => (),
         Either4::Second(_) => (),
diff --git a/rmk/src/keyboard.rs b/rmk/src/keyboard.rs
index 272cd988..896dbd56 100644
--- a/rmk/src/keyboard.rs
+++ b/rmk/src/keyboard.rs
@@ -748,6 +748,7 @@ impl<'a, const ROW: usize, const COL: usize, const NUM_LAYER: usize>
                 // Get user key id
                 let id = key as u8 - KeyCode::User0 as u8;
                 if id < 8 {
+                    info!("Switch to profile: {}", id);
                     // User0~7: Swtich to the specific profile
                     BLE_PROFILE_CHANNEL
                         .send(BleProfileAction::SwitchProfile(id))
diff --git a/rmk/src/lib.rs b/rmk/src/lib.rs
index 0b6a694f..e7d889c1 100644
--- a/rmk/src/lib.rs
+++ b/rmk/src/lib.rs
@@ -85,7 +85,7 @@ pub(crate) static KEYBOARD_STATE: AtomicBool = AtomicBool::new(false);
 /// - 1: BLE
 /// - Other: reserved
 pub(crate) static CONNECTION_TYPE: AtomicU8 = AtomicU8::new(0);
-/// Whethe the connection is ready.
+/// Whether the connection is ready.
 /// After the connection is ready, the matrix starts scanning
 pub(crate) static CONNECTION_STATE: AtomicBool = AtomicBool::new(false);
 
diff --git a/rmk/src/split/nrf/central.rs b/rmk/src/split/nrf/central.rs
index 543addbf..10004e70 100644
--- a/rmk/src/split/nrf/central.rs
+++ b/rmk/src/split/nrf/central.rs
@@ -104,6 +104,8 @@ pub(crate) async fn run_ble_client(
             embassy_time::Timer::after_millis(200).await;
         };
 
+        info!("Connected to peripheral");
+
         let ble_client: BleSplitCentralClient = match gatt_client::discover(&conn).await {
             Ok(client) => client,
             Err(e) => {
diff --git a/rmk/src/split/peripheral.rs b/rmk/src/split/peripheral.rs
index 619d971e..4e365dc6 100644
--- a/rmk/src/split/peripheral.rs
+++ b/rmk/src/split/peripheral.rs
@@ -150,6 +150,7 @@ impl<S: SplitWriter + SplitReader> SplitPeripheral<S> {
                     // Currently only handle the central state message
                     Ok(split_message) => match split_message {
                         SplitMessage::ConnectionState(state) => {
+                            info!("Received connection state update: {}", state);
                             CONNECTION_STATE.store(state, core::sync::atomic::Ordering::Release);
                         }
                         _ => (),