diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/sidk_s5js100.sct b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/sidk_s5js100.sct
index cbef600..ca1db9f 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/sidk_s5js100.sct
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/sidk_s5js100.sct
@@ -2,6 +2,7 @@
 ;/****************************************************************************
 ; *
 ; * Copyright 2020 Samsung Electronics All Rights Reserved.
+; * SPDX-License-Identifier: Apache-2.0
 ; *
 ; * Licensed under the Apache License, Version 2.0 (the "License");
 ; * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/startup_sidk_s5js100.S b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/startup_sidk_s5js100.S
index f65b5a3..45fb560 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/startup_sidk_s5js100.S
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_ARM_STD/startup_sidk_s5js100.S
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/sidk_s5js100.ld b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/sidk_s5js100.ld
index 8c98a4a..4d8cab0 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/sidk_s5js100.ld
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/sidk_s5js100.ld
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/startup_sidk_s5js100.S b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/startup_sidk_s5js100.S
index a605037..2f9ee13 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/startup_sidk_s5js100.S
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_GCC_ARM/startup_sidk_s5js100.S
@@ -16,6 +16,7 @@
 ;/****************************************************************************
 ; *
 ; * Copyright 2020 Samsung Electronics All Rights Reserved.
+; * SPDX-License-Identifier: Apache-2.0
 ; *
 ; * Licensed under the Apache License, Version 2.0 (the "License");
 ; * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/sidk_s5js100.icf b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/sidk_s5js100.icf
index c787c81..e76369d 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/sidk_s5js100.icf
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/sidk_s5js100.icf
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/startup_s5js100.S b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/startup_s5js100.S
index 55263a3..6468303 100755
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/startup_s5js100.S
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/device/TOOLCHAIN_IAR/startup_s5js100.S
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/modem/shmem_save.cpp b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/modem/shmem_save.cpp
index 162064f..0b406a8 100644
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/modem/shmem_save.cpp
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/modem/shmem_save.cpp
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_dummy_api.c b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_dummy_api.c
index a39d4f2..c510e31 100644
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_dummy_api.c
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_dummy_api.c
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_pl011_api.c b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_pl011_api.c
index d95e894..8601382 100644
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_pl011_api.c
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_pl011_api.c
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_usi_api.c b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_usi_api.c
index db9e070..4a14906 100644
--- a/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_usi_api.c
+++ b/targets/TARGET_Samsung/TARGET_SIDK_S5JS100/serial_usi_api.c
@@ -1,6 +1,7 @@
 /****************************************************************************
  *
  * Copyright 2020 Samsung Electronics All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.