diff --git a/Clover/app/src/main/java/org/floens/chan/Chan.java b/Clover/app/src/main/java/org/floens/chan/Chan.java
index 408342c5b..cc95aebc5 100644
--- a/Clover/app/src/main/java/org/floens/chan/Chan.java
+++ b/Clover/app/src/main/java/org/floens/chan/Chan.java
@@ -24,6 +24,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.StrictMode;
+import android.webkit.WebSettings;
 
 import org.codejargon.feather.Feather;
 import org.floens.chan.core.database.DatabaseManager;
@@ -184,7 +185,12 @@ public ForegroundChangedMessage(boolean inForeground) {
     }
 
     private String createUserAgent() {
-        return ChanSettings.customUserAgent.get();
+        String customUserAgent = ChanSettings.customUserAgent.get();
+        if (!customUserAgent.isEmpty()) {
+            return customUserAgent;
+        } else {
+            return WebSettings.getDefaultUserAgent(this);
+        }
     }
 
     public RuntimePermissionsHelper getRuntimePermissionsHelper() {
diff --git a/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java b/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java
index 778680646..5d948b3c6 100644
--- a/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java
@@ -200,7 +200,6 @@ public int getBitmask() {
     public static final BooleanSetting dnsOverHttps;
 
     public static final StringSetting customUserAgent;
-    public static final StringSetting customUserAgentWebView;
     public static final StringSetting customCFClearanceCommand;
 
     static {
@@ -300,8 +299,7 @@ public int getBitmask() {
 
         dnsOverHttps = new BooleanSetting(p, "dns_over_https", false);
 
-        customUserAgent = new StringSetting(p, "custom_user_agent", "Kuroba-dev/v4.13.6-1d48096");
-        customUserAgentWebView = new StringSetting(p, "custom_user_agent_webview", "");
+        customUserAgent = new StringSetting(p, "custom_user_agent", "");
         customCFClearanceCommand = new StringSetting(p, "custom_cfclearance_command", "");
 
         // Old (but possibly still in some users phone)
diff --git a/Clover/app/src/main/java/org/floens/chan/core/site/common/CommonReplyHttpCall.java b/Clover/app/src/main/java/org/floens/chan/core/site/common/CommonReplyHttpCall.java
index 9f2176dda..f4ac11903 100644
--- a/Clover/app/src/main/java/org/floens/chan/core/site/common/CommonReplyHttpCall.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/site/common/CommonReplyHttpCall.java
@@ -27,7 +27,9 @@
 import org.jsoup.Jsoup;
 
 import java.io.IOException;
+import java.util.Locale;
 import java.util.Random;
+import java.util.UUID;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -51,6 +53,12 @@ public CommonReplyHttpCall(Site site, Reply reply) {
         this.reply = reply;
     }
 
+    private static String generateHttpBoundary() {
+        // this shouldn't be here but I'm not going to waste more time on
+        // an app that will be completely dead before the end of the year
+        return UUID.randomUUID().toString().replaceAll("-", "").toUpperCase(Locale.ENGLISH).substring(0, 16);
+    }
+
     @Override
     public void setup(
             Request.Builder requestBuilder,
@@ -58,7 +66,8 @@ public void setup(
     ) {
         replyResponse.password = Long.toHexString(RANDOM.nextLong());
 
-        MultipartBody.Builder formBuilder = new MultipartBody.Builder();
+        String boundary = "------WebKitFormBoundary" + generateHttpBoundary();
+        MultipartBody.Builder formBuilder = new MultipartBody.Builder(boundary);
         formBuilder.setType(MultipartBody.FORM);
 
         addParameters(formBuilder, progressListener);
diff --git a/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java b/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java
index 8a6f6c036..47489d486 100644
--- a/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java
+++ b/Clover/app/src/main/java/org/floens/chan/core/site/sites/chan4/Chan4.java
@@ -17,6 +17,7 @@
  */
 package org.floens.chan.core.site.sites.chan4;
 
+import android.webkit.CookieManager;
 import android.webkit.WebView;
 
 import androidx.annotation.Nullable;
@@ -295,7 +296,23 @@ public HttpUrl report(Post post) {
 
     private SiteRequestModifier siteRequestModifier = new SiteRequestModifier() {
         @Override
-        public void modifyHttpCall(HttpCall httpCall, Request.Builder requestBuilder) { }
+        public void modifyHttpCall(HttpCall httpCall, Request.Builder requestBuilder) {
+            requestBuilder.addHeader("Host", "sys.4chan.org");
+            requestBuilder.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8");
+            requestBuilder.addHeader("Accept-Language", "en-US,en;q=0.5");
+            requestBuilder.addHeader("Accept-Encoding", "identity");
+            requestBuilder.addHeader("Origin", "https://boards.4chan.org");
+            requestBuilder.addHeader("Connection", "Keep-Alive");
+            requestBuilder.addHeader("Referer", "https://boards.4chan.org/");
+            String cookies = CookieManager.getInstance().getCookie("https://sys.4chan.org");
+            if (cookies != null) {
+                requestBuilder.addHeader("Cookie", cookies);
+            }
+            requestBuilder.addHeader("Sec-Fetch-Dest", "document");
+            requestBuilder.addHeader("Sec-Fetch-Mode", "navigate");
+            requestBuilder.addHeader("Sec-Fetch-Site", "same-site");
+            requestBuilder.addHeader("Sec-Fetch-User", "?1");
+        }
 
         @Override
         public void modifyWebView(WebView webView) { }
diff --git a/Clover/app/src/main/java/org/floens/chan/ui/captcha/NewCaptchaLayout.java b/Clover/app/src/main/java/org/floens/chan/ui/captcha/NewCaptchaLayout.java
index 8a7e24075..840036266 100644
--- a/Clover/app/src/main/java/org/floens/chan/ui/captcha/NewCaptchaLayout.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/captcha/NewCaptchaLayout.java
@@ -92,7 +92,7 @@ public void initialize(Loadable loadable, AuthenticationLayoutCallback callback)
         WebSettings settings = getSettings();
         settings.setJavaScriptEnabled(true);
 
-        String userAgent = ChanSettings.customUserAgentWebView.get();
+        String userAgent = ChanSettings.customUserAgent.get();
         if (!userAgent.isEmpty()) {
             settings.setUserAgentString(userAgent);
         }
diff --git a/Clover/app/src/main/java/org/floens/chan/ui/controller/BehaviourSettingsController.java b/Clover/app/src/main/java/org/floens/chan/ui/controller/BehaviourSettingsController.java
index 7bbcb05e8..c41f83b90 100644
--- a/Clover/app/src/main/java/org/floens/chan/ui/controller/BehaviourSettingsController.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/controller/BehaviourSettingsController.java
@@ -189,8 +189,6 @@ private void populatePreferences() {
 
                 ua.add(new StringSettingView(this, ChanSettings.customUserAgent,
                         R.string.setting_group_user_agent_ua, R.string.setting_group_user_agent_ua));
-                ua.add(new StringSettingView(this, ChanSettings.customUserAgentWebView,
-                        R.string.setting_group_user_agent_ua_webview, R.string.setting_group_user_agent_ua_webview));
                 if (BuildConfig.FLAVOR.equals("dev")) {
                     // please see the note about this setting in NewCaptchaLayout
                     ua.add(new StringSettingView(this, ChanSettings.customCFClearanceCommand,
diff --git a/Clover/app/src/main/res/values/strings.xml b/Clover/app/src/main/res/values/strings.xml
index 6a403e8d9..4f8b5f568 100644
--- a/Clover/app/src/main/res/values/strings.xml
+++ b/Clover/app/src/main/res/values/strings.xml
@@ -520,8 +520,7 @@ Crash reports do not collect any personally identifiable information."
 
     <!-- Custom User-Agent group -->
     <string name="setting_group_user_agent">Custom User-Agent</string>
-    <string name="setting_group_user_agent_ua">User-Agent for posting</string>
-    <string name="setting_group_user_agent_ua_webview">User-Agent for WebViews (empty for default)</string>
+    <string name="setting_group_user_agent_ua">Custom User-Agent (empty for system default, requires restart)</string>
     <string name="setting_group_user_agent_cfcommand">[DEBUG] Shell command to set cf_clearance</string>
 
     <!-- Media -->