diff --git a/Directory.Build.props b/Directory.Build.props
index 683287d..5acaee2 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -9,8 +9,8 @@
     <Nullable>disable</Nullable>
     <LangVersion>latest</LangVersion>
 
-    <VersionPrefix>5.10.0</VersionPrefix>
-    <BuildIncrement>50</BuildIncrement>
+    <VersionPrefix>5.10.1</VersionPrefix>
+    <BuildIncrement>51</BuildIncrement>
     <VersionSuffix></VersionSuffix>
     <Product>FitEdit</Product>
     <Copyright>EnduraByte LLC 2024</Copyright>
diff --git a/Infrastructure/FitEdit.Adapters.Fit/Decode.cs b/Infrastructure/FitEdit.Adapters.Fit/Decode.cs
index e9de169..0805a28 100644
--- a/Infrastructure/FitEdit.Adapters.Fit/Decode.cs
+++ b/Infrastructure/FitEdit.Adapters.Fit/Decode.cs
@@ -415,7 +415,7 @@ private void ReadDataMesg(Stream fitStream, BinaryReader br, long sourceIndex, b
 
         if (timeTraveled)
         {
-          var dt = new RecordMesg(mesg).GetTimestamp().GetDateTime();
+          var dt = new RecordMesg(mesg).GetTimestamp()?.GetDateTime();
           Log.Warn($"Discarding suspicious message at {dt} with timestamp change of {diff}s");
           Log.Debug($"Source data: {string.Join(" ", mesg.SourceData?.Select(b => $"{b:X2}") ?? new List<string>())}");
           return;
diff --git a/Infrastructure/FitEdit.Adapters.Fit/FitConfig.cs b/Infrastructure/FitEdit.Adapters.Fit/FitConfig.cs
index 47b2687..a2dfc86 100644
--- a/Infrastructure/FitEdit.Adapters.Fit/FitConfig.cs
+++ b/Infrastructure/FitEdit.Adapters.Fit/FitConfig.cs
@@ -22,7 +22,7 @@ public class DataMessages
         public static bool OfLargeSize { get; set; } = false;
         public static bool WithLargeLatitudeChange { get; set; } = true;
         public static bool WithLargeLongitudeChange { get; set; } = true;
-        public static bool WithLargeTimestampChange { get; set; } = true;
+        public static bool WithLargeTimestampChange { get; set; } = false;
 
         /// <summary>
         /// Ignore any FileId message other than the first or any FileId message that is not at the beginning of the file.
diff --git a/Infrastructure/FitEdit.Data/Fit/FitFileExtensions.cs b/Infrastructure/FitEdit.Data/Fit/FitFileExtensions.cs
index 1e6126a..3bfbfc3 100644
--- a/Infrastructure/FitEdit.Data/Fit/FitFileExtensions.cs
+++ b/Infrastructure/FitEdit.Data/Fit/FitFileExtensions.cs
@@ -358,15 +358,13 @@ public static FitFile ApplySpeeds(this FitFile fitFile, Dictionary<int, Speed> l
       merged.Append(file);
     }
 
-    var activityMesg = merged.FindFirst<ActivityMesg>();
-    DateTime firstActivityTime = activityMesg?.GetTimestamp().GetDateTime() ?? default;
-
+    merged.BackfillEvents();
+    
     merged.RemoveNonfirst(typeof(FileIdMesg));
     merged.RemoveNonfirst(typeof(FileCreatorMesg));
     merged.RemoveNonfirst(typeof(DeviceSettingsMesg));
     merged.RemoveNonfirst(typeof(UserProfileMesg));
     merged.RemoveNonfirst(typeof(ActivityMesg));
-    merged.RemoveAll(typeof(DeviceInfoMesg), after: firstActivityTime);
 
     return merged;
   }
diff --git a/Ui/FitEdit.Ui.iOS/Info.plist b/Ui/FitEdit.Ui.iOS/Info.plist
index ea3a4ad..a2107b0 100644
--- a/Ui/FitEdit.Ui.iOS/Info.plist
+++ b/Ui/FitEdit.Ui.iOS/Info.plist
@@ -57,6 +57,6 @@
       </dict>
     </array>
     <key>CFBundleVersion</key>
-    <string>50</string>
+    <string>51</string>
   </dict>
 </plist>
\ No newline at end of file