diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/FindDeviceRequest.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/FindDeviceRequest.java
index c86d421da..8c4fb1d35 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/FindDeviceRequest.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/FindDeviceRequest.java
@@ -1,3 +1,21 @@
+/*  Copyright (C) 2016-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
+    Gobbetti
+    Copyright (C) 2020 Yukai Li
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 package nodomain.freeyourgadget.gadgetbridge.service.devices.lefun.requests;
 
 import nodomain.freeyourgadget.gadgetbridge.devices.lefun.LefunConstants;
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/SetAlarmRequest.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/SetAlarmRequest.java
index e4e73b4f8..bae512d30 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/SetAlarmRequest.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/SetAlarmRequest.java
@@ -1,3 +1,21 @@
+/*  Copyright (C) 2016-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
+    Gobbetti
+    Copyright (C) 2020 Yukai Li
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 package nodomain.freeyourgadget.gadgetbridge.service.devices.lefun.requests;
 
 import nodomain.freeyourgadget.gadgetbridge.devices.lefun.LefunConstants;
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/StartPpgRequest.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/StartPpgRequest.java
index 883e08691..1491a2a9d 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/StartPpgRequest.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/lefun/requests/StartPpgRequest.java
@@ -1,7 +1,24 @@
+/*  Copyright (C) 2016-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
+    Gobbetti
+    Copyright (C) 2020 Yukai Li
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 package nodomain.freeyourgadget.gadgetbridge.service.devices.lefun.requests;
 
 import nodomain.freeyourgadget.gadgetbridge.devices.lefun.LefunConstants;
-import nodomain.freeyourgadget.gadgetbridge.devices.lefun.commands.FindDeviceCommand;
 import nodomain.freeyourgadget.gadgetbridge.devices.lefun.commands.StartPpgSensingCommand;
 import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.lefun.LefunDeviceSupport;