diff --git a/CHANGELOG.md b/CHANGELOG.md
index c38a090b0..17066b18b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,9 @@
 
 ### Updates
 
+- Added `IterableConfig.enableUnknownUserActivation` (default `false`) to opt in to Unknown User Activation on the native SDK (SDK-794). Visitor consent via `Iterable.setVisitorUsageTracked` is also required before the native SDK stores unknown-user events.
 - Added `IterableConfig.enableForegroundCriteriaFetch` (default `true`) to control whether the SDK fetches unknown-user targeting criteria when the app enters the foreground (SDK-554).
-- Added `IterableConfig.eventThresholdLimit` (default `100`) to cap locally stored unknown-user events before identification (SDK-553). The value is forwarded to the native SDK; it has no runtime effect in React Native until `enableUnknownUserActivation` is exposed in a future release (that switch is not on the RN config surface yet).
+- Added `IterableConfig.eventThresholdLimit` (default `100`) to cap locally stored unknown-user events before identification (SDK-553). The value is forwarded to the native SDK and applies when unknown-user activation is enabled.
 
 ## 3.2.1
 
diff --git a/android/src/main/java/com/iterable/reactnative/Serialization.java b/android/src/main/java/com/iterable/reactnative/Serialization.java
index a1a1d0d50..08ac6c3f0 100644
--- a/android/src/main/java/com/iterable/reactnative/Serialization.java
+++ b/android/src/main/java/com/iterable/reactnative/Serialization.java
@@ -259,6 +259,11 @@ static IterableConfig.Builder getConfigFromReadableMap(ReadableMap iterableConte
                 configBuilder.setEnableEmbeddedMessaging(iterableContextJSON.optBoolean("enableEmbeddedMessaging"));
             }
 
+            if (iterableContextJSON.has("enableUnknownUserActivation")) {
+                configBuilder.setEnableUnknownUserActivation(
+                    iterableContextJSON.optBoolean("enableUnknownUserActivation"));
+            }
+
             if (iterableContextJSON.has("retryPolicy")) {
                 JSONObject retryPolicyJson = iterableContextJSON.getJSONObject("retryPolicy");
                 int maxRetry = retryPolicyJson.getInt("maxRetry");
diff --git a/ios/RNIterableAPI/Serialization.swift b/ios/RNIterableAPI/Serialization.swift
index b7e5194e3..7dcb0b776 100644
--- a/ios/RNIterableAPI/Serialization.swift
+++ b/ios/RNIterableAPI/Serialization.swift
@@ -95,6 +95,10 @@ extension IterableConfig {
       config.enableEmbeddedMessaging = enableEmbeddedMessaging
     }
 
+    if let enableUnknownUserActivation = dict["enableUnknownUserActivation"] as? Bool {
+      config.enableUnknownUserActivation = enableUnknownUserActivation
+    }
+
     if let dataRegion = dict["dataRegion"] as? NSNumber {
       switch dataRegion {
       case 0:
diff --git a/src/core/classes/Iterable.test.ts b/src/core/classes/Iterable.test.ts
index 9bd4ef811..f68b9db74 100644
--- a/src/core/classes/Iterable.test.ts
+++ b/src/core/classes/Iterable.test.ts
@@ -327,6 +327,7 @@ describe('Iterable', () => {
       expect(config.dataRegion).toBe(IterableDataRegion.US);
       expect(config.enableForegroundCriteriaFetch).toBe(true);
       expect(config.enableEmbeddedMessaging).toBe(false);
+      expect(config.enableUnknownUserActivation).toBe(false);
       expect(config.encryptionEnforced).toBe(false);
       expect(config.expiringAuthTokenRefreshPeriod).toBe(60.0);
       expect(config.eventThresholdLimit).toBe(100);
@@ -348,6 +349,7 @@ describe('Iterable', () => {
       expect(configDict.dataRegion).toBe(IterableDataRegion.US);
       expect(configDict.enableForegroundCriteriaFetch).toBe(true);
       expect(configDict.enableEmbeddedMessaging).toBe(false);
+      expect(configDict.enableUnknownUserActivation).toBe(false);
       expect(configDict.encryptionEnforced).toBe(false);
       expect(configDict.expiringAuthTokenRefreshPeriod).toBe(60.0);
       expect(configDict.eventThresholdLimit).toBe(100);
@@ -370,6 +372,13 @@ describe('Iterable', () => {
       expect(configDict.authCallbackTimeoutMs).toBe(2500);
     });
 
+    it('should include enableUnknownUserActivation in toDict() when set to true', () => {
+      const config = new IterableConfig();
+      config.enableUnknownUserActivation = true;
+      const configDict = config.toDict();
+      expect(configDict.enableUnknownUserActivation).toBe(true);
+    });
+
     it('should include enableForegroundCriteriaFetch in toDict() when set to false', () => {
       const config = new IterableConfig();
       config.enableForegroundCriteriaFetch = false;
diff --git a/src/core/classes/IterableConfig.ts b/src/core/classes/IterableConfig.ts
index a284e87af..6d88cba6e 100644
--- a/src/core/classes/IterableConfig.ts
+++ b/src/core/classes/IterableConfig.ts
@@ -267,10 +267,9 @@ export class IterableConfig {
    * identification. The native SDK drops the oldest events when the count
    * exceeds this limit.
    *
-   * The value is sent to the native SDK at init. React Native does not expose
-   * `enableUnknownUserActivation` yet, so this limit has no observable effect
-   * until that option is added; when it is, the limit applies only while
-   * unknown-user activation is enabled.
+   * The value is sent to the native SDK at init. The limit applies only while
+   * unknown-user activation is enabled (`enableUnknownUserActivation`) and
+   * visitor consent has been granted.
    */
   eventThresholdLimit = 100;
 
@@ -403,6 +402,15 @@ export class IterableConfig {
    */
   authCallbackTimeoutMs = 6000;
 
+  /**
+   * When `true`, the native SDK may store and process events for unidentified
+   * (unknown) users. Defaults to `false`.
+   *
+   * Visitor consent via `Iterable.setVisitorUsageTracked` is also required
+   * before the native SDK stores unknown-user events or runs unknown-user flows.
+   */
+  enableUnknownUserActivation = false;
+
   /**
    * When `true` (the default), the SDK fetches unknown-user (anonymous) targeting
    * criteria when the app enters the foreground.
@@ -505,6 +513,7 @@ export class IterableConfig {
       pushPlatform: this.pushPlatform,
       encryptionEnforced: this.encryptionEnforced,
       retryPolicy: this.retryPolicy,
+      enableUnknownUserActivation: this.enableUnknownUserActivation,
       enableForegroundCriteriaFetch: this.enableForegroundCriteriaFetch,
       enableEmbeddedMessaging: this.enableEmbeddedMessaging,
       androidWakeDelayMs: this.androidWakeDelayMs,