diff --git a/build/patches/User-agent-customization.patch b/build/patches/User-agent-customization.patch
index 1170e4c6..0231ae21 100644
--- a/build/patches/User-agent-customization.patch
+++ b/build/patches/User-agent-customization.patch
@@ -20,7 +20,7 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  .../init/ChromeBrowserInitializer.java        |   3 +
  .../PrivacyPreferencesManagerImpl.java        |  42 ++++
  .../settings/UserAgentPreferences.java        | 188 ++++++++++++++++++
- .../chromium/chrome/browser/tab/TabImpl.java  |  70 +++++++
+ .../chromium/chrome/browser/tab/TabImpl.java  |  79 +++++++-
  .../chromium/chrome/browser/tab/TabUtils.java |  25 +--
  .../browser/android/content/content_utils.cc  |  28 +++
  .../preferences/browser_prefs_android.cc      |   7 +
@@ -41,7 +41,7 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  .../browser/web_contents/web_contents_impl.cc |   4 +
  .../framehost/NavigationControllerImpl.java   |   3 +-
  content/renderer/render_thread_impl.cc        |   1 -
- 31 files changed, 746 insertions(+), 14 deletions(-)
+ 31 files changed, 753 insertions(+), 16 deletions(-)
  create mode 100644 chrome/android/java/res/layout/custom_useragent_preferences.xml
  create mode 100644 chrome/android/java/res/xml/useragent_preferences.xml
  create mode 100644 chrome/android/java/src/org/chromium/chrome/browser/settings/UserAgentPreferences.java
@@ -574,7 +574,21 @@ diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/TabImpl.jav
              @TabLoadStatus
              int result = loadUrlInternal(params);
  
-@@ -1549,6 +1578,10 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
+@@ -1390,8 +1419,11 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
+ 
+             mWebContents.setImportance(mImportance);
+ 
+-            ContentUtils.setUserAgentOverride(mWebContents,
+-                    calculateUserAgentOverrideOption() == UserAgentOverrideOption.TRUE);
++            if (!SharedPreferencesManager.getInstance().readBoolean(
++                        ChromePreferenceKeys.USERAGENT_STICKY_DESKTOP_MODE, false)) {
++                ContentUtils.setUserAgentOverride(mWebContents,
++                        calculateUserAgentOverrideOption() == UserAgentOverrideOption.TRUE);
++            }
+ 
+             mContentView.addOnAttachStateChangeListener(mAttachStateChangeListener);
+             updateInteractableState();
+@@ -1549,6 +1581,10 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
              if (mWebContents != null) mWebContents.getNavigationController().loadIfNecessary();
              mIsBeingRestored = true;
              for (TabObserver observer : mObservers) observer.onRestoreStarted(this);
@@ -585,7 +599,16 @@ diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/TabImpl.jav
          } finally {
              TraceEvent.end("Tab.restoreIfNeeded");
          }
-@@ -1751,6 +1784,43 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
+@@ -1741,6 +1777,8 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
+     }
+ 
+     private void switchUserAgentIfNeeded() {
++        if (SharedPreferencesManager.getInstance().readBoolean(
++                ChromePreferenceKeys.USERAGENT_STICKY_DESKTOP_MODE, false)) return;
+         if (calculateUserAgentOverrideOption() == UserAgentOverrideOption.INHERIT
+                 || getWebContents() == null) {
+             return;
+@@ -1751,6 +1789,43 @@ public class TabImpl implements Tab, TabObscuringHandler.Observer {
                  /* forcedByUser */ false);
      }