diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index f974370..2c28484 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -38,6 +38,60 @@ platform :ios do
     )
   end
 
+  # Firebase arrives via SPM, so upload-symbols sits in DerivedData instead of
+  # the ./Pods path fastlane looks in by default.
+  def crashlytics_upload_symbols_binary
+    pattern = File.expand_path(
+      "~/Library/Developer/Xcode/DerivedData/MealMood-*/SourcePackages/checkouts/firebase-ios-sdk/Crashlytics/upload-symbols"
+    )
+    found = Dir.glob(pattern)
+    if found.empty?
+      UI.user_error!("upload-symbols not found. Build the project once so SPM checks out firebase-ios-sdk.")
+    end
+    found.max_by { |path| File.mtime(path) }
+  end
+
+  # Every dSYM (app + widget) of the most recently archived build.
+  def latest_archive_dsyms
+    pattern = File.expand_path("~/Library/Developer/Xcode/Archives/*/MealMood*.xcarchive/dSYMs/*.dSYM")
+    by_archive = Dir.glob(pattern).group_by { |path| path[/.*\.xcarchive/] }
+    newest = by_archive.max_by { |archive, _| File.mtime(archive) }
+    newest ? newest.last : []
+  end
+
+  # Safety net for the Xcode build phase, which only uploads the dSYM produced
+  # locally. Run it once App Store Connect has finished processing the build —
+  # `beta` uses skip_waiting_for_build_processing, so right after an upload the
+  # dSYMs are not there yet and this would download nothing.
+  desc "Download processed dSYMs from App Store Connect and send them to Crashlytics"
+  lane :refresh_dsyms do |options|
+    download_dsyms(
+      api_key: asc_api_key,
+      version: options[:version] || "latest",
+      build_number: options[:build]
+    )
+
+    dsyms = lane_context[SharedValues::DSYM_PATHS] || []
+    if dsyms.empty?
+      # Expected for a post-bitcode app: Apple recompiles nothing, so it keeps
+      # no dSYM of its own. Fall back to the ones the local archive produced.
+      dsyms = latest_archive_dsyms
+      UI.important("App Store Connect has no dSYMs for this build; using the latest local archive.")
+    end
+
+    if dsyms.empty?
+      UI.important("No dSYMs found either — nothing to upload.")
+      next
+    end
+
+    upload_symbols_to_crashlytics(
+      gsp_path: "MealMood/Resources/GoogleService-Info.plist",
+      binary_path: crashlytics_upload_symbols_binary,
+      dsym_paths: dsyms
+    )
+    clean_build_artifacts
+  end
+
   desc "Upload metadata + localized screenshots for an existing TestFlight build (no rebuild, no submit)"
   lane :publish do |options|
     version = options[:version] || "1.2.0"
diff --git a/fastlane/README.md b/fastlane/README.md
index c777c46..e9ce1a6 100644
--- a/fastlane/README.md
+++ b/fastlane/README.md
@@ -23,6 +23,14 @@ For _fastlane_ installation instructions, see [Installing _fastlane_](https://do
 
 Push a new beta build to TestFlight
 
+### ios refresh_dsyms
+
+```sh
+[bundle exec] fastlane ios refresh_dsyms
+```
+
+Download processed dSYMs from App Store Connect and send them to Crashlytics
+
 ### ios publish
 
 ```sh