diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/watches/fenix/GarminFenix5XPlusCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/watches/fenix/GarminFenix5XPlusCoordinator.java
new file mode 100644
index 000000000..537f98b6d
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/garmin/watches/fenix/GarminFenix5XPlusCoordinator.java
@@ -0,0 +1,24 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix;
+
+import java.util.regex.Pattern;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.garmin.GarminCoordinator;
+
+public class GarminFenix5XPlusCoordinator extends GarminCoordinator {
+    @Override
+    public boolean isExperimental() {
+        // https://codeberg.org/Freeyourgadget/Gadgetbridge/issues/3963
+        return true;
+    }
+
+    @Override
+    protected Pattern getSupportedDeviceName() {
+        return Pattern.compile("^fenix 5X Plus$");
+    }
+
+    @Override
+    public int getDeviceNameResource() {
+        return R.string.devicetype_garmin_fenix_5x_plus;
+    }
+}
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
index 1d9d6b67a..5272f9cb0 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java
@@ -57,6 +57,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.galaxy_buds.GalaxyBudsProDev
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.epix.GarminEpixProCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix5Coordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix5PlusCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix5XPlusCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix6Coordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix6SapphireCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.garmin.watches.fenix.GarminFenix7ProCoordinator;
@@ -386,6 +387,7 @@ public enum DeviceType {
     GARMIN_EPIX_PRO(GarminEpixProCoordinator.class),
     GARMIN_FENIX_5(GarminFenix5Coordinator.class),
     GARMIN_FENIX_5_PLUS(GarminFenix5PlusCoordinator.class),
+    GARMIN_FENIX_5X_PLUS(GarminFenix5XPlusCoordinator.class),
     GARMIN_FENIX_6(GarminFenix6Coordinator.class),
     GARMIN_FENIX_6_SAPPHIRE(GarminFenix6SapphireCoordinator.class),
     GARMIN_FENIX_7S(GarminFenix7SCoordinator.class),
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 83581ae34..596984b3a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1697,6 +1697,7 @@
     <string name="devicetype_garmin_epix_pro">Garmin Epix Pro</string>
     <string name="devicetype_garmin_fenix_5">Garmin Fenix 5</string>
     <string name="devicetype_garmin_fenix_5_plus">Garmin Fenix 5 Plus</string>
+    <string name="devicetype_garmin_fenix_5x_plus">Garmin Fenix 5X Plus</string>
     <string name="devicetype_garmin_fenix_6">Garmin Fenix 6</string>
     <string name="devicetype_garmin_fenix_6_sapphire">Garmin Fenix 6 Sapphire</string>
     <string name="devicetype_garmin_fenix_7s">Garmin Fenix 7S</string>