diff --git a/build/patches/Welcome-screen.patch b/build/patches/Welcome-screen.patch
index f8ebab82..815d6aa8 100644
--- a/build/patches/Welcome-screen.patch
+++ b/build/patches/Welcome-screen.patch
@@ -15,13 +15,13 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  .../DefaultSearchEngineFirstRunFragment.java  |   3 -
  .../browser/firstrun/FirstRunActivity.java    |  31 +-
  .../firstrun/FirstRunActivityBase.java        |   6 +-
- .../firstrun/FirstRunFlowSequencer.java       |  68 +---
+ .../firstrun/FirstRunFlowSequencer.java       |  70 +---
  .../browser/firstrun/FirstRunUtils.java       |   1 +
  .../firstrun/ToSAndUMAFirstRunFragment.java   | 335 +++++++++++++++++
  .../firstrun/TosAndUmaFragmentView.java       | 336 ++++++++++++++++++
  .../browser/locale/LocaleManagerDelegate.java |   5 +-
  .../strings/android_chrome_strings.grd        |  24 +-
- 15 files changed, 911 insertions(+), 108 deletions(-)
+ 15 files changed, 911 insertions(+), 110 deletions(-)
  create mode 100644 chrome/android/java/res/layout/fre_tosanduma.xml
  create mode 100644 chrome/android/java/src/org/chromium/chrome/browser/firstrun/ToSAndUMAFirstRunFragment.java
  create mode 100644 chrome/android/java/src/org/chromium/chrome/browser/firstrun/TosAndUmaFragmentView.java
@@ -513,16 +513,18 @@ diff --git a/chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstR
  
          onFlowIsKnown(freProperties);
      }
-@@ -206,6 +158,8 @@ public abstract class FirstRunFlowSequencer {
+@@ -206,8 +158,8 @@ public abstract class FirstRunFlowSequencer {
       * @param freProperties Resulting FRE properties bundle.
       */
      public void updateFirstRunProperties(Bundle freProperties) {
+-        // fix chromium vanilla startup
+-        if (freProperties == null) return;
 +        if (freProperties == null)
 +          throw new RuntimeException("attempting to update null FRE properties");
          boolean isHistorySyncEnabled =
                  ChromeFeatureList.isEnabled(
                          ChromeFeatureList.REPLACE_SYNC_PROMOS_WITH_SIGN_IN_PROMOS);
-@@ -320,13 +274,17 @@ public abstract class FirstRunFlowSequencer {
+@@ -322,13 +274,17 @@ public abstract class FirstRunFlowSequencer {
              if (!(caller instanceof Activity)) {
                  freIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
              }
@@ -1252,7 +1254,7 @@ diff --git a/chrome/browser/locale/java/src/org/chromium/chrome/browser/locale/L
 diff --git a/chrome/browser/ui/android/strings/android_chrome_strings.grd b/chrome/browser/ui/android/strings/android_chrome_strings.grd
 --- a/chrome/browser/ui/android/strings/android_chrome_strings.grd
 +++ b/chrome/browser/ui/android/strings/android_chrome_strings.grd
-@@ -3464,7 +3464,29 @@ To change this setting, <ph name="BEGIN_LINK">BEGIN_LINK</ph>delete the Chrome d
+@@ -3459,7 +3459,29 @@ To change this setting, <ph name="BEGIN_LINK">BEGIN_LINK</ph>delete the Chrome d
          <ph name="APP_NAME">%1$s<ex>Google Maps</ex></ph> will open in Chrome. By continuing, you agree to the <ph name="BEGIN_LINK1">&lt;LINK1&gt;</ph>Google Terms of Service<ph name="END_LINK1">&lt;/LINK1&gt;</ph>, and the <ph name="BEGIN_LINK2">&lt;LINK2&gt;</ph>Google Chrome and ChromeOS Additional Terms of Service<ph name="END_LINK2">&lt;/LINK2&gt;</ph>. The <ph name="BEGIN_LINK3">&lt;LINK3&gt;</ph>Privacy Policy<ph name="END_LINK3">&lt;/LINK3&gt;</ph> also applies.
        </message>
        <message name="IDS_FRE_ACCEPT_CONTINUE" desc="Text for first page accept and continue button [CHAR_LIMIT=20]">