diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminFitFileInstallHandler.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminFitFileInstallHandler.java
index 3c331fef7f..335871b863 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminFitFileInstallHandler.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/GarminFitFileInstallHandler.java
@@ -16,6 +16,8 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>. */
 package nodomain.freeyourgadget.gadgetbridge.devices.garmin;
 
+import static nodomain.freeyourgadget.gadgetbridge.service.AbstractDeviceSupport.BUNDLE_EXTRA_INSTALL_BYTES;
+
 import android.app.Activity;
 import android.content.Context;
 import android.net.Uri;
@@ -62,6 +64,20 @@ public class GarminFitFileInstallHandler implements InstallHandler {
     public GarminFitFileInstallHandler(final Uri uri, final Bundle options, final Context context) {
         this.mContext = context;
 
+        if (options != null && options.containsKey(BUNDLE_EXTRA_INSTALL_BYTES)) {
+            try {
+                rawBytes = options.getByteArray(BUNDLE_EXTRA_INSTALL_BYTES);
+                fitFile = FitFile.parseIncoming(rawBytes);
+                fileType = fitFile.getFileType();
+                return;
+            } catch (final FitParseException e) {
+                LOG.error("bundle fit bytes are corrupted", e);
+                fitParseException = e;
+            } catch (final Exception e) {
+                LOG.error("failed to read bundle fit bytes", e);
+            }
+        }
+
         final UriHelper uriHelper;
         try {
             uriHelper = UriHelper.get(uri, context);
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/AbstractDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/AbstractDeviceSupport.java
index f9a5e60c3a..a1a7a454cd 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/AbstractDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/AbstractDeviceSupport.java
@@ -1,7 +1,7 @@
-/*  Copyright (C) 2015-2024 Alicia Hormann, Andreas Böhler, Andreas Shimokawa,
+/*  Copyright (C) 2015-2026 Alicia Hormann, Andreas Böhler, Andreas Shimokawa,
     Arjan Schrijver, Carsten Pfeiffer, Daniele Gobbetti, Davis Mosenkovs,
     Dmitriy Bogdanov, foxstidious, Ganblejs, José Rebelo, Pauli Salmenrinne,
-    Petr Vaněk, Taavi Eomäe, Yoran Vulker
+    Petr Vaněk, Taavi Eomäe, Yoran Vulker, Thomas Kuehne
 
     This file is part of Gadgetbridge.
 
@@ -71,7 +71,13 @@ public abstract class AbstractDeviceSupport implements DeviceSupport {
     private Context context;
     private boolean autoReconnect, scanReconnect;
 
+    /// an optional {@link Bundle} extra of type {@code byte[]} used to pass
+    /// <u>small</u> transient data to {@link #onInstallApp(Uri, Bundle)}
+    public static final String BUNDLE_EXTRA_INSTALL_BYTES = "install_handler_bytes";
 
+    /// an optional {@link Bundle} extra of type {@code String} used to pass
+    /// a task name for logging to {@link #onInstallApp(Uri, Bundle)}
+    public static final String BUNDLE_EXTRA_INSTALL_TASK_NAME = "install_handler_task_name";
 
     @Override
     public void setContext(GBDevice gbDevice, BluetoothAdapter btAdapter, Context context) {
@@ -368,6 +374,8 @@ public abstract class AbstractDeviceSupport implements DeviceSupport {
      *
      * @param uri     reference to a watch app file
      * @param options a bundle of custom options
+     * @see #BUNDLE_EXTRA_INSTALL_BYTES
+     * @see #BUNDLE_EXTRA_INSTALL_TASK_NAME
      */
     @Override
     public void onInstallApp(Uri uri, @NonNull final Bundle options) {
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/GarminSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/GarminSupport.java
index 09483e6257..19a0205b22 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/GarminSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/GarminSupport.java
@@ -1328,13 +1328,15 @@ public class GarminSupport extends AbstractBTLESingleDeviceSupport implements IC
     public void onInstallApp(Uri uri, @NonNull final Bundle options) {
         final GarminFitFileInstallHandler fitFileInstallHandler = new GarminFitFileInstallHandler(uri, options, getContext());
         if (fitFileInstallHandler.isValid()) {
+            final FileType.FILETYPE fileType = fitFileInstallHandler.getFileType();
             communicator.sendMessage(
-                    "upload fit file",
+                    options.getString(BUNDLE_EXTRA_INSTALL_TASK_NAME, "upload " + fileType + " file"),
                     fileTransferHandler.initiateUpload(
                             fitFileInstallHandler.getRawBytes(),
-                            fitFileInstallHandler.getFileType()
+                            fileType
                     ).getOutgoingMessage()
             );
+            return;
         }
 
         final GarminGpxRouteInstallHandler garminGpxRouteInstallHandler = new GarminGpxRouteInstallHandler(uri, getContext());
@@ -1346,19 +1348,30 @@ public class GarminSupport extends AbstractBTLESingleDeviceSupport implements IC
             );
             final FitFile convertedFile = gpxRouteFileConverter.getConvertedFile();
             final FileType.FILETYPE fileType = convertedFile.getFileType();
-            communicator.sendMessage("upload " + fileType + " file", fileTransferHandler.initiateUpload(convertedFile.getOutgoingMessage(), fileType).getOutgoingMessage());
+            communicator.sendMessage(
+                    options.getString(BUNDLE_EXTRA_INSTALL_TASK_NAME, "upload " + fileType + " file"),
+                    fileTransferHandler.initiateUpload(
+                            convertedFile.getOutgoingMessage(),
+                            fileType
+                    ).getOutgoingMessage()
+            );
+            return;
         }
 
         final GarminPrgFileInstallHandler prgFileInstallHandler = new GarminPrgFileInstallHandler(uri, getContext());
         if (prgFileInstallHandler.isValid()) {
+            final FileType.FILETYPE fileType = FileType.FILETYPE.PRG;
             communicator.sendMessage(
-                    "upload prg file",
+                    options.getString(BUNDLE_EXTRA_INSTALL_TASK_NAME, "upload " + fileType + " file"),
                     fileTransferHandler.initiateUpload(
                             prgFileInstallHandler.getRawBytes(),
-                            FileType.FILETYPE.PRG
+                            fileType
                     ).getOutgoingMessage()
             );
+            return;
         }
+
+        LOG.warn("no install handler found for {} {}", uri, options.getString(BUNDLE_EXTRA_INSTALL_TASK_NAME));
     }
 
     @Override