diff --git a/record_android/CHANGELOG.md b/record_android/CHANGELOG.md
index 756e5a0..4360920 100644
--- a/record_android/CHANGELOG.md
+++ b/record_android/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## 1.2.6
 * fix: Improve amplitude computation.
-* fix: java.lang.IllegalStateException: Failed to stop the muxer
+* fix: java.lang.IllegalStateException: Failed to stop the muxer.
+* fix: Exception raised on bluetooth receiver unregistration.
+* chore: Upgrade to latest AGP.
 
 ## 1.2.5
 * fix: Applying effects.
diff --git a/record_android/android/src/main/kotlin/com/llfbandit/record/methodcall/RecorderWrapper.kt b/record_android/android/src/main/kotlin/com/llfbandit/record/methodcall/RecorderWrapper.kt
index 4c1e7f5..7770cac 100644
--- a/record_android/android/src/main/kotlin/com/llfbandit/record/methodcall/RecorderWrapper.kt
+++ b/record_android/android/src/main/kotlin/com/llfbandit/record/methodcall/RecorderWrapper.kt
@@ -187,7 +187,10 @@ internal class RecorderWrapper(
 
     private fun maybeStopBluetooth() {
         bluetoothReceiver?.removeListener(this)
-        bluetoothReceiver?.unregister()
+
+        if (bluetoothReceiver?.hasListeners() != true) {
+            bluetoothReceiver?.unregister()
+        }
     }
 
     override fun onBlScoConnected() {
diff --git a/record_android/android/src/main/kotlin/com/llfbandit/record/record/bluetooth/BluetoothReceiver.kt b/record_android/android/src/main/kotlin/com/llfbandit/record/record/bluetooth/BluetoothReceiver.kt
index 865bf60..d396a03 100644
--- a/record_android/android/src/main/kotlin/com/llfbandit/record/record/bluetooth/BluetoothReceiver.kt
+++ b/record_android/android/src/main/kotlin/com/llfbandit/record/record/bluetooth/BluetoothReceiver.kt
@@ -23,6 +23,7 @@ class BluetoothReceiver(
     private val listeners = HashSet<BluetoothScoListener>()
     private val devices = HashSet<AudioDeviceInfo>()
     private var audioDeviceCallback: AudioDeviceCallback? = null
+    private var mRegistered: Boolean = false
 
     init {
         filter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED)
@@ -34,6 +35,7 @@ class BluetoothReceiver(
 
     fun register() {
         context.registerReceiver(this, filter)
+        mRegistered = true
 
         audioDeviceCallback = object : AudioDeviceCallback() {
             override fun onAudioDevicesAdded(addedDevices: Array<AudioDeviceInfo>) {
@@ -71,7 +73,11 @@ class BluetoothReceiver(
         }
 
         listeners.clear()
-        context.unregisterReceiver(this)
+
+        if (mRegistered) {
+            context.unregisterReceiver(this)
+            mRegistered = false
+        }
     }
 
     fun addListener(listener: BluetoothScoListener) {
@@ -90,6 +96,7 @@ class BluetoothReceiver(
         }
     }
 
+    @Suppress("DEPRECATION")
     fun startBluetooth(): Boolean {
         if (!audioManager.isBluetoothScoAvailableOffCall) {
             return false
@@ -102,6 +109,7 @@ class BluetoothReceiver(
         return true
     }
 
+    @Suppress("DEPRECATION")
     fun stopBluetooth() {
         if (audioManager.isBluetoothScoOn()) {
             audioManager.stopBluetoothSco()