diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 530585d864656..fbe381b2ec15c 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -13067,6 +13067,18 @@ public final class Settings {
         public static final String CHAINED_BATTERY_ATTRIBUTION_ENABLED =
                 "chained_battery_attribution_enabled";
 
+        /**
+         * Toggle to enable/disable the incremental ADB installation by default.
+         * If not set, default adb installations are incremental; set to zero to use full ones.
+         * Note: only ADB uses it, no usages in the Framework code.
+         * <p>
+         * Type: int (0 to disable, 1 to enable)
+         *
+         * @hide
+         */
+        public static final String ENABLE_ADB_INCREMENTAL_INSTALL_DEFAULT =
+                "enable_adb_incremental_install_default";
+
         /**
          * The packages whitelisted to be run in autofill compatibility mode. The list
          * of packages is {@code ":"} colon delimited, and each entry has the name of the
diff --git a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
index a36949b9e1ffa..fe083812ffedf 100644
--- a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
+++ b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
@@ -267,6 +267,7 @@ public class SettingsBackupTest {
                     Settings.Global.DYNAMIC_POWER_SAVINGS_DISABLE_THRESHOLD,
                     Settings.Global.SMART_REPLIES_IN_NOTIFICATIONS_FLAGS,
                     Settings.Global.SMART_SUGGESTIONS_IN_NOTIFICATIONS_FLAGS,
+                    Settings.Global.ENABLE_ADB_INCREMENTAL_INSTALL_DEFAULT,
                     Settings.Global.ENHANCED_CONNECTIVITY_ENABLED,
                     Settings.Global.ENHANCED_4G_MODE_ENABLED,
                     Settings.Global.EPHEMERAL_COOKIE_MAX_SIZE_BYTES,