diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 3e73e6bf..c2b6f6e2 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -87,8 +87,11 @@
             android:name="flutterEmbedding"
             android:value="2" />
 
-        <!-- Tap on notification body opens CallkitIncomingActivity via PendingIntent.
-             Replace it with a bridge that routes to the same accept flow as Answer. -->
+        <!-- The incoming notification's content intent and full-screen intent both open
+             CallkitIncomingActivity. Replace it with a bridge: a tap on an unlocked phone
+             routes to the same accept flow as Answer; on a locked/dark screen it shows a
+             ringing screen that wakes the device. Own task affinity keeps the plugin's
+             CLEAR_TASK flag from killing MainActivity. -->
         <activity
             android:name="com.hiennv.flutter_callkit_incoming.CallkitIncomingActivity"
             tools:node="remove" />
@@ -97,20 +100,26 @@
             android:name=".EatvioCallkitIncomingBridgeActivity"
             android:exported="false"
             android:theme="@android:style/Theme.Translucent.NoTitleBar"
+            android:taskAffinity=""
+            android:allowTaskReparenting="false"
             android:excludeFromRecents="true"
             android:noHistory="true"
+            android:showWhenLocked="true"
             android:turnScreenOn="true"
-            android:launchMode="singleTop"
+            android:launchMode="singleInstance"
             android:configChanges="orientation" />
 
         <activity-alias
             android:name="com.hiennv.flutter_callkit_incoming.CallkitIncomingActivity"
             android:targetActivity=".EatvioCallkitIncomingBridgeActivity"
             android:exported="true"
+            android:taskAffinity=""
+            android:allowTaskReparenting="false"
             android:excludeFromRecents="true"
             android:noHistory="true"
+            android:showWhenLocked="true"
             android:turnScreenOn="true"
-            android:launchMode="singleTop"
+            android:launchMode="singleInstance"
             android:configChanges="orientation"
             android:permission="${applicationId}.PERMISSION_CALL">
             <intent-filter>
diff --git a/android/app/src/main/kotlin/com/eatvioapp/app/EatvioCallkitIncomingBridgeActivity.kt b/android/app/src/main/kotlin/com/eatvioapp/app/EatvioCallkitIncomingBridgeActivity.kt
index 965e2af0..503e05e8 100644
--- a/android/app/src/main/kotlin/com/eatvioapp/app/EatvioCallkitIncomingBridgeActivity.kt
+++ b/android/app/src/main/kotlin/com/eatvioapp/app/EatvioCallkitIncomingBridgeActivity.kt
@@ -1,12 +1,71 @@
 package com.eatvioapp.app
 
 import android.app.Activity
+import android.app.KeyguardManager
+import android.content.Context
+import android.content.Intent
+import android.content.pm.ActivityInfo
+import android.graphics.Color
+import android.os.Build
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.os.PowerManager
+import android.util.Log
+import android.view.View
+import android.view.WindowManager
+import android.view.ViewGroup.MarginLayoutParams
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import com.hiennv.flutter_callkit_incoming.AppUtils
 import com.hiennv.flutter_callkit_incoming.CallkitConstants
+import com.hiennv.flutter_callkit_incoming.CallkitNotificationManager
+import com.hiennv.flutter_callkit_incoming.ImageLoaderProvider
+import com.hiennv.flutter_callkit_incoming.Utils
+import com.hiennv.flutter_callkit_incoming.widgets.RippleRelativeLayout
+import java.lang.ref.WeakReference
+import kotlin.math.abs
+import com.hiennv.flutter_callkit_incoming.R as CallkitR
 
-/// Redirects notification body / full-screen intent taps to the same accept path as
-/// the Answer button, instead of showing the native Callkit incoming UI.
+/// Target of the incoming notification's content intent and full-screen intent.
+///
+/// Unlocked, lit screen: the user tapped the notification body, route it to the same
+/// accept flow as the Answer button.
+///
+/// Locked or dark screen: Android fired the full-screen intent on its own, so show a
+/// ringing screen that wakes the device and lets the user answer or decline.
 class EatvioCallkitIncomingBridgeActivity : Activity() {
+    companion object {
+        private const val TAG = "EatvioIncomingBridge"
+        private const val WAKE_LOCK_TAG = "eatvio:incoming_call"
+        private const val DEFAULT_RING_DURATION_MS = 45_000L
+        private const val MIN_RING_SCREEN_MS = 1_000L
+
+        private val mainHandler = Handler(Looper.getMainLooper())
+        private var ringingScreen: WeakReference<EatvioCallkitIncomingBridgeActivity>? = null
+
+        /**
+         * Closes the ringing screen once the call stopped ringing: answered or declined
+         * from the notification, timed out, or ended by the caller.
+         */
+        fun dismissRingingScreen() {
+            mainHandler.post {
+                ringingScreen?.get()?.closeRingingScreen()
+                ringingScreen = null
+            }
+        }
+
+        fun shouldShowRingingScreen(keyguardLocked: Boolean, screenInteractive: Boolean): Boolean {
+            return keyguardLocked || !screenInteractive
+        }
+    }
+
+    private var callData: Bundle? = null
+    private var wakeLock: PowerManager.WakeLock? = null
+    private var ringTimeout: Runnable? = null
+    private var actionTaken = false
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -15,15 +74,256 @@ class EatvioCallkitIncomingBridgeActivity : Activity() {
             finish()
             return
         }
+        callData = data
 
-        CallKitIntentBridge.dispatchCallKitAction(
-            this,
-            CallkitConstants.ACTION_CALL_ACCEPT,
-            data,
+        if (!launchedOnLockedOrDarkScreen()) {
+            Log.i(TAG, "tap on notification body: accept")
+            CallKitIntentBridge.dispatchCallKitAction(this, CallkitConstants.ACTION_CALL_ACCEPT, data)
+            finish()
+            @Suppress("DEPRECATION")
+            overridePendingTransition(0, 0)
+            return
+        }
+
+        Log.i(TAG, "full-screen intent on locked/dark screen: show ringing screen")
+        showRingingScreen(data)
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        setIntent(intent)
+        val data = intent.extras?.getBundle(CallkitConstants.EXTRA_CALLKIT_INCOMING_DATA) ?: return
+        if (ringingScreen?.get() !== this) return
+        callData = data
+        bindCallData(data)
+        scheduleRingTimeout(data)
+    }
+
+    override fun onDestroy() {
+        cancelRingTimeout()
+        releaseWakeLock()
+        if (ringingScreen?.get() === this) {
+            ringingScreen = null
+        }
+        super.onDestroy()
+    }
+
+    @Deprecated("Deprecated in Java")
+    override fun onBackPressed() {
+        // The ringing screen is dismissed by Answer / Decline / timeout only.
+    }
+
+    private fun launchedOnLockedOrDarkScreen(): Boolean {
+        val keyguardManager = getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
+        val powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
+        return shouldShowRingingScreen(
+            keyguardLocked = keyguardManager.isKeyguardLocked,
+            screenInteractive = powerManager.isInteractive,
+        )
+    }
+
+    private fun showRingingScreen(data: Bundle) {
+        ringingScreen = WeakReference(this)
+
+        setTheme(CallkitR.style.CallkitIncomingTheme)
+        requestedOrientation = if (Utils.isTablet(this)) {
+            ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+        } else {
+            ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+        }
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
+            setTurnScreenOn(true)
+            setShowWhenLocked(true)
+        } else {
+            @Suppress("DEPRECATION")
+            window.addFlags(
+                WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON or
+                    WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED,
+            )
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            window.statusBarColor = Color.TRANSPARENT
+            window.navigationBarColor = Color.TRANSPARENT
+        }
+
+        acquireWakeLock(ringDuration(data))
+        VideoCallPushBridge.keepRingingOnFullScreen()
+
+        setContentView(CallkitR.layout.activity_callkit_incoming)
+        bindCallData(data)
+        scheduleRingTimeout(data)
+    }
+
+    private fun bindCallData(data: Bundle) {
+        val background: ImageView = findViewById(CallkitR.id.ivBackground)
+        val ripple: RippleRelativeLayout = findViewById(CallkitR.id.llBackgroundAnimation)
+        val callerName: TextView = findViewById(CallkitR.id.tvNameCaller)
+        val callerNumber: TextView = findViewById(CallkitR.id.tvNumber)
+        val logo: ImageView = findViewById(CallkitR.id.ivLogo)
+        val avatar: ImageView = findViewById(CallkitR.id.ivAvatar)
+        val actions: LinearLayout = findViewById(CallkitR.id.llAction)
+        val acceptButton: ImageView = findViewById(CallkitR.id.ivAcceptCall)
+        val acceptLabel: TextView = findViewById(CallkitR.id.tvAccept)
+        val declineButton: ImageView = findViewById(CallkitR.id.ivDeclineCall)
+        val declineLabel: TextView = findViewById(CallkitR.id.tvDecline)
+
+        ripple.layoutParams.height = Utils.getScreenWidth() + Utils.getStatusBarHeight(this)
+        ripple.startRippleAnimation()
+        (actions.layoutParams as? MarginLayoutParams)?.let { params ->
+            params.setMargins(0, 0, 0, Utils.getNavigationBarHeight(this))
+            actions.layoutParams = params
+        }
+
+        callerName.text = data.getString(CallkitConstants.EXTRA_CALLKIT_NAME_CALLER, "")
+        callerNumber.visibility = View.INVISIBLE
+        logo.visibility = View.INVISIBLE
+
+        val textColor = parseColor(data.getString(CallkitConstants.EXTRA_CALLKIT_TEXT_COLOR), Color.WHITE)
+        callerName.setTextColor(textColor)
+        acceptLabel.setTextColor(textColor)
+        declineLabel.setTextColor(textColor)
+        background.setBackgroundColor(
+            parseColor(data.getString(CallkitConstants.EXTRA_CALLKIT_BACKGROUND_COLOR), Color.parseColor("#0955fa")),
         )
 
-        finish()
-        @Suppress("DEPRECATION")
-        overridePendingTransition(0, 0)
+        val avatarUrl = data.getString(CallkitConstants.EXTRA_CALLKIT_AVATAR, "")
+        if (!avatarUrl.isNullOrEmpty()) {
+            avatar.visibility = View.VISIBLE
+            @Suppress("DEPRECATION", "UNCHECKED_CAST")
+            val headers = data.getSerializable(CallkitConstants.EXTRA_CALLKIT_HEADERS) as? HashMap<String, Any?>
+            try {
+                ImageLoaderProvider.loadImage(this, avatarUrl, headers, CallkitR.drawable.ic_default_avatar, avatar)
+            } catch (error: Exception) {
+                Log.w(TAG, "failed to load caller avatar", error)
+            }
+        }
+
+        if (data.getInt(CallkitConstants.EXTRA_CALLKIT_TYPE, 0) > 0) {
+            acceptButton.setImageResource(CallkitR.drawable.ic_video)
+        }
+        acceptButton.background = AppUtils.createCircleDrawable(
+            parseColor(data.getString(CallkitConstants.EXTRA_CALLKIT_ACCEPT_COLOR), Color.parseColor("#4CAF50")),
+        )
+        declineButton.background = AppUtils.createCircleDrawable(
+            parseColor(data.getString(CallkitConstants.EXTRA_CALLKIT_DECLINE_COLOR), Color.parseColor("#F44336")),
+        )
+
+        val acceptText = data.getString(CallkitConstants.EXTRA_CALLKIT_TEXT_ACCEPT, "")
+        acceptLabel.text = if (acceptText.isNullOrEmpty()) getString(CallkitR.string.text_accept) else acceptText
+        val declineText = data.getString(CallkitConstants.EXTRA_CALLKIT_TEXT_DECLINE, "")
+        declineLabel.text = if (declineText.isNullOrEmpty()) getString(CallkitR.string.text_decline) else declineText
+
+        acceptButton.setOnClickListener { onAcceptClick() }
+        declineButton.setOnClickListener { onDeclineClick() }
+    }
+
+    private fun onAcceptClick() {
+        val data = callData ?: return
+        if (actionTaken) return
+        actionTaken = true
+        cancelRingTimeout()
+        Log.i(TAG, "ringing screen: accept")
+
+        // Same order as the plugin's own incoming activity: dispatch the accept, then ask
+        // the keyguard to unlock so MainActivity (which cannot show over the keyguard)
+        // becomes visible as soon as the user unlocks.
+        CallKitIntentBridge.dispatchCallKitAction(this, CallkitConstants.ACTION_CALL_ACCEPT, data)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val keyguardManager = getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
+            if (keyguardManager.isKeyguardLocked) {
+                keyguardManager.requestDismissKeyguard(this, null)
+            }
+        }
+        finishRingingTask()
+    }
+
+    private fun onDeclineClick() {
+        val data = callData ?: return
+        if (actionTaken) return
+        actionTaken = true
+        cancelRingTimeout()
+        Log.i(TAG, "ringing screen: decline")
+
+        CallKitIntentBridge.dispatchCallKitAction(this, CallkitConstants.ACTION_CALL_DECLINE, data)
+        finishRingingTask()
+    }
+
+    private fun closeRingingScreen() {
+        if (isFinishing) return
+        cancelRingTimeout()
+        finishRingingTask()
+    }
+
+    private fun finishRingingTask() {
+        if (isFinishing) return
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            finishAndRemoveTask()
+        } else {
+            finish()
+        }
+    }
+
+    private fun ringDuration(data: Bundle): Long {
+        val duration = data.getLong(CallkitConstants.EXTRA_CALLKIT_DURATION, DEFAULT_RING_DURATION_MS)
+        return if (duration > 0L) duration else DEFAULT_RING_DURATION_MS
+    }
+
+    /**
+     * The notification was posted before this screen appeared, so ring only for the
+     * remaining part of the call duration.
+     */
+    private fun scheduleRingTimeout(data: Bundle) {
+        cancelRingTimeout()
+        val now = System.currentTimeMillis()
+        val startedAt = data.getLong(CallkitNotificationManager.EXTRA_TIME_START_CALL, now)
+        val remaining = (ringDuration(data) - abs(now - startedAt)).coerceAtLeast(MIN_RING_SCREEN_MS)
+        val timeout = Runnable {
+            Log.i(TAG, "ringing screen: timed out")
+            closeRingingScreen()
+        }
+        ringTimeout = timeout
+        mainHandler.postDelayed(timeout, remaining)
+    }
+
+    private fun cancelRingTimeout() {
+        ringTimeout?.let { mainHandler.removeCallbacks(it) }
+        ringTimeout = null
+    }
+
+    @Suppress("DEPRECATION")
+    private fun acquireWakeLock(durationMs: Long) {
+        try {
+            val powerManager = applicationContext.getSystemService(Context.POWER_SERVICE) as PowerManager
+            val lock = powerManager.newWakeLock(
+                PowerManager.SCREEN_BRIGHT_WAKE_LOCK or
+                    PowerManager.ACQUIRE_CAUSES_WAKEUP or
+                    PowerManager.ON_AFTER_RELEASE,
+                WAKE_LOCK_TAG,
+            )
+            lock.acquire(durationMs)
+            wakeLock = lock
+        } catch (error: Exception) {
+            Log.w(TAG, "failed to acquire wake lock", error)
+        }
+    }
+
+    private fun releaseWakeLock() {
+        val lock = wakeLock ?: return
+        wakeLock = null
+        try {
+            if (lock.isHeld) lock.release()
+        } catch (error: Exception) {
+            Log.w(TAG, "failed to release wake lock", error)
+        }
+    }
+
+    private fun parseColor(value: String?, fallback: Int): Int {
+        if (value.isNullOrBlank()) return fallback
+        return try {
+            Color.parseColor(value)
+        } catch (error: IllegalArgumentException) {
+            fallback
+        }
     }
 }
diff --git a/android/app/src/main/kotlin/com/eatvioapp/app/VideoCallPushBridge.kt b/android/app/src/main/kotlin/com/eatvioapp/app/VideoCallPushBridge.kt
index f4aa5333..50afdac6 100644
--- a/android/app/src/main/kotlin/com/eatvioapp/app/VideoCallPushBridge.kt
+++ b/android/app/src/main/kotlin/com/eatvioapp/app/VideoCallPushBridge.kt
@@ -4,6 +4,7 @@ import android.content.Context
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
+import android.os.PowerManager
 import android.util.Log
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
@@ -24,6 +25,7 @@ object VideoCallPushBridge {
     private const val TAG = "VideoCallPushBridge"
     private const val ANDROID_ACCENT_COLOR = "#2787F5"
     private const val MISSED_CALL_CLEANUP_DELAY_MS = 250L
+    private const val WAKE_LOCK_TAG = "eatvio:incoming_call_ring"
 
     private val mainHandler = Handler(Looper.getMainLooper())
     private val playbackLock = Any()
@@ -34,6 +36,7 @@ object VideoCallPushBridge {
     private var activeCallBundle: Bundle? = null
     private var storedAppContext: Context? = null
     private var ringtoneTimeout: Runnable? = null
+    private var ringWakeLock: PowerManager.WakeLock? = null
     private var callbackRegistered = false
 
     /**
@@ -167,6 +170,16 @@ object VideoCallPushBridge {
         }
     }
 
+    /**
+     * The plugin's sound player stops on ACTION_SCREEN_OFF. The ringing screen turns
+     * the display on itself, so keep ringing through that transition.
+     */
+    fun keepRingingOnFullScreen() {
+        synchronized(playbackLock) {
+            activeSoundManager?.keepRingingOnFullScreen()
+        }
+    }
+
     fun dismissAllIncomingCalls(context: Context) {
         val appContext = context.applicationContext
         val calls = getDataActiveCalls(appContext)
@@ -239,6 +252,7 @@ object VideoCallPushBridge {
         }
 
         val durationMs = callData.getLong(CallkitConstants.EXTRA_CALLKIT_DURATION, 45_000L)
+        wakeScreenLocked(appContext, if (durationMs > 0L) durationMs else 45_000L)
         if (durationMs > 0L) {
             val timeout = Runnable {
                 synchronized(playbackLock) {
@@ -252,8 +266,43 @@ object VideoCallPushBridge {
         }
     }
 
+    /**
+     * Turns the screen on while the call rings. The full-screen intent of the
+     * notification does the same only when the system grants it; the wake lock
+     * works without any grant, so the lock screen with the call card lights up.
+     */
+    @Suppress("DEPRECATION")
+    private fun wakeScreenLocked(appContext: Context, durationMs: Long) {
+        releaseScreenWakeLockLocked()
+        try {
+            val powerManager = appContext.getSystemService(Context.POWER_SERVICE) as PowerManager
+            val lock = powerManager.newWakeLock(
+                PowerManager.SCREEN_BRIGHT_WAKE_LOCK or
+                    PowerManager.ACQUIRE_CAUSES_WAKEUP or
+                    PowerManager.ON_AFTER_RELEASE,
+                WAKE_LOCK_TAG,
+            )
+            lock.acquire(durationMs)
+            ringWakeLock = lock
+            Log.i(TAG, "wakeScreen: screen on for ${durationMs}ms, interactive=${powerManager.isInteractive}")
+        } catch (error: Exception) {
+            Log.w(TAG, "wakeScreen: failed to acquire wake lock", error)
+        }
+    }
+
+    private fun releaseScreenWakeLockLocked() {
+        val lock = ringWakeLock ?: return
+        ringWakeLock = null
+        try {
+            if (lock.isHeld) lock.release()
+        } catch (error: Exception) {
+            Log.w(TAG, "wakeScreen: failed to release wake lock", error)
+        }
+    }
+
     private fun stopPlaybackLocked(appContext: Context) {
         cancelRingtoneTimeoutLocked()
+        releaseScreenWakeLockLocked()
         val notificationManager = activeNotificationManager
         val bundle = activeCallBundle
         stopIncomingRingtone()
@@ -267,6 +316,7 @@ object VideoCallPushBridge {
         activeSoundManager = null
         activeNotificationManager = null
         activeCallBundle = null
+        EatvioCallkitIncomingBridgeActivity.dismissRingingScreen()
     }
 
     private fun cancelRingtoneTimeoutLocked() {
diff --git a/pubspec.yaml b/pubspec.yaml
index 088eb5eb..ddb3a73c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: eatvio_app
 description: A new Flutter project.
-version: 1.3.55+144
+version: 1.3.56+145
 publish_to: 'none'
 
 environment: