diff --git a/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/AddonDialogFragment.kt b/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/AddonDialogFragment.kt
index ef465781c71e..73646d21f097 100644
--- a/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/AddonDialogFragment.kt
+++ b/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/AddonDialogFragment.kt
@@ -48,6 +48,8 @@ open class AddonDialogFragment : AppCompatDialogFragment() {
         @ColorRes
         val confirmButtonBackgroundColor: Int? = null,
         @ColorRes
+        val learnMoreLinkTextColor: Int? = null,
+        @ColorRes
         val confirmButtonTextColor: Int? = null,
         val confirmButtonRadius: Float? = null,
     )
diff --git a/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/PermissionsDialogFragment.kt b/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/PermissionsDialogFragment.kt
index 66f7772e7ace..974f0995b07f 100644
--- a/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/PermissionsDialogFragment.kt
+++ b/mobile/android/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/ui/PermissionsDialogFragment.kt
@@ -8,6 +8,7 @@ import android.annotation.SuppressLint
 import android.app.Dialog
 import android.content.DialogInterface
 import android.graphics.Color
+import android.graphics.Paint
 import android.graphics.drawable.ColorDrawable
 import android.graphics.drawable.GradientDrawable
 import android.os.Bundle
@@ -35,6 +36,7 @@ private const val KEY_DIALOG_WIDTH_MATCH_PARENT = "KEY_DIALOG_WIDTH_MATCH_PARENT
 private const val KEY_POSITIVE_BUTTON_BACKGROUND_COLOR = "KEY_POSITIVE_BUTTON_BACKGROUND_COLOR"
 private const val KEY_POSITIVE_BUTTON_TEXT_COLOR = "KEY_POSITIVE_BUTTON_TEXT_COLOR"
 private const val KEY_POSITIVE_BUTTON_RADIUS = "KEY_POSITIVE_BUTTON_RADIUS"
+private const val KEY_LEARN_MORE_LINK_TEXT_COLOR = "KEY_LEARN_MORE_LINK_TEXT_COLOR"
 private const val KEY_FOR_OPTIONAL_PERMISSIONS = "KEY_FOR_OPTIONAL_PERMISSIONS"
 internal const val KEY_PERMISSIONS = "KEY_PERMISSIONS"
 private const val DEFAULT_VALUE = Int.MAX_VALUE
@@ -55,6 +57,11 @@ class PermissionsDialogFragment : AddonDialogFragment() {
      */
     var onNegativeButtonClicked: (() -> Unit)? = null
 
+    /**
+     * A lambda called when the learn more link is clicked.
+     */
+    var onLearnMoreClicked: (() -> Unit)? = null
+
     internal val addon get() = requireNotNull(safeArguments.getParcelableCompat(KEY_ADDON, Addon::class.java))
 
     internal val positiveButtonRadius
@@ -85,6 +92,13 @@ class PermissionsDialogFragment : AddonDialogFragment() {
                 DEFAULT_VALUE,
             )
 
+    internal val learnMoreLinkTextColor
+        get() =
+            safeArguments.getInt(
+                KEY_LEARN_MORE_LINK_TEXT_COLOR,
+                DEFAULT_VALUE,
+            )
+
     /**
      * This flag is used to adjust the permissions prompt for optional permissions (instead of asking
      * users to grant the required permissions at install time, which is the default).
@@ -160,6 +174,9 @@ class PermissionsDialogFragment : AddonDialogFragment() {
         rootView.findViewById<TextView>(R.id.optional_or_required_text).text =
             buildOptionalOrRequiredText(listPermissions.isNotEmpty())
 
+        val learnMoreLink = rootView.findViewById<TextView>(R.id.learn_more_link)
+        learnMoreLink.paintFlags = Paint.UNDERLINE_TEXT_FLAG
+
         val permissionsRecyclerView = rootView.findViewById<RecyclerView>(R.id.permissions)
         val positiveButton = rootView.findViewById<Button>(R.id.allow_button)
         val negativeButton = rootView.findViewById<Button>(R.id.deny_button)
@@ -211,6 +228,13 @@ class PermissionsDialogFragment : AddonDialogFragment() {
             dismiss()
         }
 
+        if (learnMoreLinkTextColor != DEFAULT_VALUE) {
+            val color = ContextCompat.getColor(requireContext(), learnMoreLinkTextColor)
+            learnMoreLink.setTextColor(color)
+        }
+        learnMoreLink.setOnClickListener {
+            onLearnMoreClicked?.invoke()
+        }
         return rootView
     }
 
@@ -243,6 +267,7 @@ class PermissionsDialogFragment : AddonDialogFragment() {
          * @param promptsStyling Styling properties for the dialog.
          * @param onPositiveButtonClicked A lambda called when the allow button is clicked.
          * @param onNegativeButtonClicked A lambda called when the deny button is clicked.
+         * @param onLearnMoreClicked A lambda called when the learn more button is clicked.
          */
         fun newInstance(
             addon: Addon,
@@ -254,6 +279,7 @@ class PermissionsDialogFragment : AddonDialogFragment() {
             ),
             onPositiveButtonClicked: ((Addon, Boolean) -> Unit)? = null,
             onNegativeButtonClicked: (() -> Unit)? = null,
+            onLearnMoreClicked: (() -> Unit)? = null,
         ): PermissionsDialogFragment {
             val fragment = PermissionsDialogFragment()
             val arguments = fragment.arguments ?: Bundle()
@@ -272,13 +298,16 @@ class PermissionsDialogFragment : AddonDialogFragment() {
                 promptsStyling?.confirmButtonBackgroundColor?.apply {
                     putInt(KEY_POSITIVE_BUTTON_BACKGROUND_COLOR, this)
                 }
-
                 promptsStyling?.confirmButtonTextColor?.apply {
                     putInt(KEY_POSITIVE_BUTTON_TEXT_COLOR, this)
                 }
+                promptsStyling?.learnMoreLinkTextColor?.apply {
+                    putInt(KEY_LEARN_MORE_LINK_TEXT_COLOR, this)
+                }
             }
             fragment.onPositiveButtonClicked = onPositiveButtonClicked
             fragment.onNegativeButtonClicked = onNegativeButtonClicked
+            fragment.onLearnMoreClicked = onLearnMoreClicked
             fragment.arguments = arguments
             return fragment
         }
diff --git a/mobile/android/android-components/components/feature/addons/src/main/res/layout/mozac_feature_addons_fragment_dialog_addon_permissions.xml b/mobile/android/android-components/components/feature/addons/src/main/res/layout/mozac_feature_addons_fragment_dialog_addon_permissions.xml
index 01878ab0d53e..9b36d4fbc04d 100644
--- a/mobile/android/android-components/components/feature/addons/src/main/res/layout/mozac_feature_addons_fragment_dialog_addon_permissions.xml
+++ b/mobile/android/android-components/components/feature/addons/src/main/res/layout/mozac_feature_addons_fragment_dialog_addon_permissions.xml
@@ -56,6 +56,15 @@
             android:textColor="?android:attr/textColorPrimary"
             tools:text="It requires your permission to:" />
 
+        <TextView
+            android:id="@+id/learn_more_link"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/allow_in_private_browsing"
+            android:layout_alignStart="@id/title"
+            android:layout_marginTop="30dp"
+            android:text="@string/mozac_feature_addons_permissions_dialog_learn_more" />
+
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/permissions"
             android:layout_width="match_parent"
diff --git a/mobile/android/android-components/components/feature/addons/src/main/res/values/strings.xml b/mobile/android/android-components/components/feature/addons/src/main/res/values/strings.xml
index d4d33f1e474a..22087afe4047 100644
--- a/mobile/android/android-components/components/feature/addons/src/main/res/values/strings.xml
+++ b/mobile/android/android-components/components/feature/addons/src/main/res/values/strings.xml
@@ -133,6 +133,8 @@
     <string name="mozac_feature_addons_permissions_dialog_allow">Allow</string>
     <!-- This is a button to deny the optional permissions requested by an add-on . -->
     <string name="mozac_feature_addons_permissions_dialog_deny">Deny</string>
+    <!-- Text link to learn more about permission requests on the add-on permissions dialog . -->
+    <string name="mozac_feature_addons_permissions_dialog_learn_more">Learn more</string>
     <!-- This is a button to cancel the add-on installation . -->
     <string name="mozac_feature_addons_permissions_dialog_cancel">Cancel</string>
     <!-- Accessibility content description to install add-on button. %1$s is the add-on name. -->
diff --git a/mobile/android/android-components/components/feature/addons/src/test/java/mozilla/components/feature/addons/ui/PermissionsDialogFragmentTest.kt b/mobile/android/android-components/components/feature/addons/src/test/java/mozilla/components/feature/addons/ui/PermissionsDialogFragmentTest.kt
index 0b2fbaba758e..3566744fcbf7 100644
--- a/mobile/android/android-components/components/feature/addons/src/test/java/mozilla/components/feature/addons/ui/PermissionsDialogFragmentTest.kt
+++ b/mobile/android/android-components/components/feature/addons/src/test/java/mozilla/components/feature/addons/ui/PermissionsDialogFragmentTest.kt
@@ -79,6 +79,7 @@ class PermissionsDialogFragmentTest {
         val fragment = createPermissionsDialogFragment(addon, permissions = emptyList())
         var allowedWasExecuted = false
         var denyWasExecuted = false
+        var learnMoreWasExecuted = false
 
         fragment.onPositiveButtonClicked = { _, _ ->
             allowedWasExecuted = true
@@ -88,6 +89,10 @@ class PermissionsDialogFragmentTest {
             denyWasExecuted = true
         }
 
+        fragment.onLearnMoreClicked = {
+            learnMoreWasExecuted = true
+        }
+
         doReturn(testContext).`when`(fragment).requireContext()
 
         val dialog = fragment.onCreateDialog(null)
@@ -95,12 +100,15 @@ class PermissionsDialogFragmentTest {
 
         val positiveButton = dialog.findViewById<Button>(R.id.allow_button)
         val negativeButton = dialog.findViewById<Button>(R.id.deny_button)
+        val learnMoreLink = dialog.findViewById<TextView>(R.id.learn_more_link)
 
         positiveButton.performClick()
         negativeButton.performClick()
+        learnMoreLink.performClick()
 
         assertTrue(allowedWasExecuted)
         assertTrue(denyWasExecuted)
+        assertTrue(learnMoreWasExecuted)
     }
 
     @Test
diff --git a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/HomeActivity.kt b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/HomeActivity.kt
index cceb76df339f..203cd85bdc20 100644
--- a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/HomeActivity.kt
+++ b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/HomeActivity.kt
@@ -60,6 +60,7 @@ import mozilla.components.concept.engine.EngineSession
 import mozilla.components.concept.engine.EngineView
 import mozilla.components.concept.storage.HistoryMetadataKey
 import mozilla.components.feature.contextmenu.DefaultSelectionActionDelegate
+import mozilla.components.feature.customtabs.isCustomTabIntent
 import mozilla.components.feature.media.ext.findActiveMediaTab
 import mozilla.components.feature.privatemode.notification.PrivateNotificationFeature
 import mozilla.components.feature.search.BrowserStoreSearchAdapter
@@ -144,6 +145,7 @@ import org.mozilla.fenix.perf.StartupPathProvider
 import org.mozilla.fenix.perf.StartupTimeline
 import org.mozilla.fenix.perf.StartupTypeTelemetry
 import org.mozilla.fenix.session.PrivateNotificationService
+import org.mozilla.fenix.settings.SupportUtils
 import org.mozilla.fenix.shortcut.NewTabShortcutIntentProcessor.Companion.ACTION_OPEN_PRIVATE_TAB
 import org.mozilla.fenix.tabhistory.TabHistoryDialogFragment
 import org.mozilla.fenix.tabstray.TabsTrayFragment
@@ -193,6 +195,13 @@ open class HomeActivity : LocaleAwareAppCompatActivity(), NavHostActivity {
                         newTab = true,
                         from = BrowserDirection.FromGlobal,
                     )
+                } else {
+                    startActivity(
+                        SupportUtils.createCustomTabIntent(
+                            context = this,
+                            url = url,
+                        ),
+                    )
                 }
             },
         )
@@ -406,10 +415,13 @@ open class HomeActivity : LocaleAwareAppCompatActivity(), NavHostActivity {
             extensionsProcessDisabledForegroundController,
             extensionsProcessDisabledBackgroundController,
             serviceWorkerSupport,
-            webExtensionPromptFeature,
             crashReporterBinding,
         )
 
+        if (!isCustomTabIntent(intent)) {
+            lifecycle.addObserver(webExtensionPromptFeature)
+        }
+
         if (shouldAddToRecentsScreen(intent)) {
             intent.removeExtra(START_IN_RECENTS_SCREEN)
             moveTaskToBack(true)
diff --git a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/extension/WebExtensionPromptFeature.kt b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/extension/WebExtensionPromptFeature.kt
index 9f7ceb4f0a11..4252caff8228 100644
--- a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/extension/WebExtensionPromptFeature.kt
+++ b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/extension/WebExtensionPromptFeature.kt
@@ -34,6 +34,7 @@ import mozilla.components.ui.widgets.withCenterAlignedButtons
 import org.mozilla.fenix.BuildConfig
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.settings.SupportUtils
 import org.mozilla.fenix.theme.ThemeManager
 
 /**
@@ -272,6 +273,10 @@ class WebExtensionPromptFeature(
                 ),
                 confirmButtonRadius =
                 (context.resources.getDimensionPixelSize(R.dimen.tab_corner_radius)).toFloat(),
+                learnMoreLinkTextColor = ThemeManager.resolveAttribute(
+                    R.attr.textAccent,
+                    context,
+                ),
             ),
             onPositiveButtonClicked = { _, privateBrowsingAllowed ->
                 handlePermissions(
@@ -287,6 +292,16 @@ class WebExtensionPromptFeature(
                     privateBrowsingAllowed = false,
                 )
             },
+            onLearnMoreClicked = {
+                onLinkClicked.invoke(
+                    // Bug 1920564 - add finalized Learn More SUMO link for the install dialog
+                    SupportUtils.getSumoURLForTopic(
+                        context,
+                        SupportUtils.SumoTopic.MANAGE_OPTIONAL_EXTENSION_PERMISSIONS,
+                    ),
+                    false,
+                )
+            },
         )
         dialog.show(
             fragmentManager,
@@ -312,6 +327,20 @@ class WebExtensionPromptFeature(
                     }
                 }
             }
+            dialog.onLearnMoreClicked = {
+                store.state.webExtensionPromptRequest?.let { promptRequest ->
+                    if (promptRequest is WebExtensionPromptRequest.AfterInstallation.Permissions) {
+                        onLinkClicked.invoke(
+                            // Bug 1920564 - add finalized Learn More SUMO link for the install dialog
+                            SupportUtils.getSumoURLForTopic(
+                                context,
+                                SupportUtils.SumoTopic.MANAGE_OPTIONAL_EXTENSION_PERMISSIONS,
+                            ),
+                            false,
+                        )
+                    }
+                }
+            }
         }
 
         findPreviousPostInstallationDialogFragment()?.let { dialog ->
diff --git a/mobile/android/fenix/app/src/test/java/org/mozilla/fenix/extension/WebExtensionPromptFeatureTest.kt b/mobile/android/fenix/app/src/test/java/org/mozilla/fenix/extension/WebExtensionPromptFeatureTest.kt
index 7149656a9b25..a29197af19a0 100644
--- a/mobile/android/fenix/app/src/test/java/org/mozilla/fenix/extension/WebExtensionPromptFeatureTest.kt
+++ b/mobile/android/fenix/app/src/test/java/org/mozilla/fenix/extension/WebExtensionPromptFeatureTest.kt
@@ -16,6 +16,7 @@ import mozilla.components.browser.state.state.extension.WebExtensionPromptReques
 import mozilla.components.browser.state.store.BrowserStore
 import mozilla.components.concept.engine.webextension.WebExtensionInstallException
 import mozilla.components.feature.addons.Addon
+import mozilla.components.feature.addons.ui.PermissionsDialogFragment
 import mozilla.components.support.ktx.android.content.appVersionName
 import mozilla.components.support.test.ext.joinBlocking
 import mozilla.components.support.test.robolectric.testContext
@@ -29,6 +30,7 @@ import org.junit.runner.RunWith
 import org.mozilla.fenix.BuildConfig
 import org.mozilla.fenix.R
 import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
+import org.mozilla.fenix.settings.SupportUtils
 import org.mozilla.fenix.utils.LinkTextView
 
 @RunWith(FenixRobolectricTestRunner::class)
@@ -390,4 +392,28 @@ class WebExtensionPromptFeatureTest {
             dialog.dismiss()
         }
     }
+
+    @Test
+    fun `WHEN clicking Learn More on the Permissions Dialog THEN open the correct SUMO page in a custom tab`() {
+        val addon: Addon = mockk(relaxed = true)
+
+        // Bug 1920564 - add finalized Learn More SUMO link for the install dialog
+        val expectedUrl = SupportUtils.getSumoURLForTopic(
+            testContext,
+            SupportUtils.SumoTopic.MANAGE_OPTIONAL_EXTENSION_PERMISSIONS,
+        )
+
+        val dialog = PermissionsDialogFragment.newInstance(
+            addon = addon,
+            forOptionalPermissions = false,
+            permissions = listOf("tabs"),
+            onLearnMoreClicked = {
+                onLinkClicked(expectedUrl, false)
+            },
+        )
+
+        dialog.onLearnMoreClicked?.invoke()
+
+        verify { onLinkClicked(expectedUrl, false) }
+    }
 }