diff --git a/server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java b/server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java
index 93ed4528..4148b04b 100644
--- a/server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java
+++ b/server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java
@@ -5,6 +5,7 @@ import com.genymobile.scrcpy.Ln;
 import android.os.Binder;
 import android.os.IBinder;
 import android.os.IInterface;
+import android.os.Process;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -48,10 +49,10 @@ public class ActivityManager {
             Object[] args;
             if (getContentProviderExternalMethodNewVersion) {
                 // new version
-                args = new Object[]{name, ServiceManager.USER_ID, token, null};
+                args = new Object[]{name, Process.ROOT_UID, token, null};
             } else {
                 // old version
-                args = new Object[]{name, ServiceManager.USER_ID, token};
+                args = new Object[]{name, Process.ROOT_UID, token};
             }
             // ContentProviderHolder providerHolder = getContentProviderExternal(...);
             Object providerHolder = method.invoke(manager, args);
diff --git a/server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java b/server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java
index f43a76bc..ebd36857 100644
--- a/server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java
+++ b/server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java
@@ -6,6 +6,7 @@ import android.content.ClipData;
 import android.content.IOnPrimaryClipChangedListener;
 import android.os.Build;
 import android.os.IInterface;
+import android.os.Process;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -61,9 +62,9 @@ public class ClipboardManager {
             return (ClipData) method.invoke(manager, ServiceManager.PACKAGE_NAME);
         }
         if (alternativeMethod) {
-            return (ClipData) method.invoke(manager, ServiceManager.PACKAGE_NAME, null, ServiceManager.USER_ID);
+            return (ClipData) method.invoke(manager, ServiceManager.PACKAGE_NAME, null, Process.ROOT_UID);
         }
-        return (ClipData) method.invoke(manager, ServiceManager.PACKAGE_NAME, ServiceManager.USER_ID);
+        return (ClipData) method.invoke(manager, ServiceManager.PACKAGE_NAME, Process.ROOT_UID);
     }
 
     private static void setPrimaryClip(Method method, boolean alternativeMethod, IInterface manager, ClipData clipData)
@@ -71,9 +72,9 @@ public class ClipboardManager {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
             method.invoke(manager, clipData, ServiceManager.PACKAGE_NAME);
         } else if (alternativeMethod) {
-            method.invoke(manager, clipData, ServiceManager.PACKAGE_NAME, null, ServiceManager.USER_ID);
+            method.invoke(manager, clipData, ServiceManager.PACKAGE_NAME, null, Process.ROOT_UID);
         } else {
-            method.invoke(manager, clipData, ServiceManager.PACKAGE_NAME, ServiceManager.USER_ID);
+            method.invoke(manager, clipData, ServiceManager.PACKAGE_NAME, Process.ROOT_UID);
         }
     }
 
@@ -108,9 +109,9 @@ public class ClipboardManager {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
             method.invoke(manager, listener, ServiceManager.PACKAGE_NAME);
         } else if (alternativeMethod) {
-            method.invoke(manager, listener, ServiceManager.PACKAGE_NAME, null, ServiceManager.USER_ID);
+            method.invoke(manager, listener, ServiceManager.PACKAGE_NAME, null, Process.ROOT_UID);
         } else {
-            method.invoke(manager, listener, ServiceManager.PACKAGE_NAME, ServiceManager.USER_ID);
+            method.invoke(manager, listener, ServiceManager.PACKAGE_NAME, Process.ROOT_UID);
         }
     }
 
diff --git a/server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java b/server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java
index 47eae64d..6349d80e 100644
--- a/server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java
+++ b/server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java
@@ -6,6 +6,7 @@ import com.genymobile.scrcpy.SettingsException;
 import android.annotation.SuppressLint;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.os.Process;
 
 import java.io.Closeable;
 import java.lang.reflect.InvocationTargetException;
@@ -80,7 +81,7 @@ public class ContentProvider implements Closeable {
             throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
         if (attributionSource == null) {
             Class<?> cl = Class.forName("android.content.AttributionSource$Builder");
-            Object builder = cl.getConstructor(int.class).newInstance(ServiceManager.USER_ID);
+            Object builder = cl.getConstructor(int.class).newInstance(Process.ROOT_UID);
             cl.getDeclaredMethod("setPackageName", String.class).invoke(builder, ServiceManager.PACKAGE_NAME);
             attributionSource = cl.getDeclaredMethod("build").invoke(builder);
         }
@@ -147,7 +148,7 @@ public class ContentProvider implements Closeable {
     public String getValue(String table, String key) throws SettingsException {
         String method = getGetMethod(table);
         Bundle arg = new Bundle();
-        arg.putInt(CALL_METHOD_USER_KEY, ServiceManager.USER_ID);
+        arg.putInt(CALL_METHOD_USER_KEY, Process.ROOT_UID);
         try {
             Bundle bundle = call(method, key, arg);
             if (bundle == null) {
@@ -163,7 +164,7 @@ public class ContentProvider implements Closeable {
     public void putValue(String table, String key, String value) throws SettingsException {
         String method = getPutMethod(table);
         Bundle arg = new Bundle();
-        arg.putInt(CALL_METHOD_USER_KEY, ServiceManager.USER_ID);
+        arg.putInt(CALL_METHOD_USER_KEY, Process.ROOT_UID);
         arg.putString(NAME_VALUE_TABLE_VALUE, value);
         try {
             call(method, key, arg);
diff --git a/server/src/main/java/com/genymobile/scrcpy/wrappers/ServiceManager.java b/server/src/main/java/com/genymobile/scrcpy/wrappers/ServiceManager.java
index cb6863b6..87f29b80 100644
--- a/server/src/main/java/com/genymobile/scrcpy/wrappers/ServiceManager.java
+++ b/server/src/main/java/com/genymobile/scrcpy/wrappers/ServiceManager.java
@@ -11,7 +11,6 @@ import java.lang.reflect.Method;
 public final class ServiceManager {
 
     public static final String PACKAGE_NAME = "com.android.shell";
-    public static final int USER_ID = 0;
 
     private static final Method GET_SERVICE_METHOD;
     static {