diff --git a/app/src/main/res/resources.properties b/app/src/main/res/resources.properties
index c0585fd6d7..ae036a05a6 100644
--- a/app/src/main/res/resources.properties
+++ b/app/src/main/res/resources.properties
@@ -1,17 +1,6 @@
+# Copyright 2024 New Vector Ltd.
 #
-# Copyright (c) 2024 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 unqualifiedResLocale=en
diff --git a/tools/adb/callLinkCustomScheme.sh b/tools/adb/callLinkCustomScheme.sh
index d556d88f70..366cff0d39 100755
--- a/tools/adb/callLinkCustomScheme.sh
+++ b/tools/adb/callLinkCustomScheme.sh
@@ -1,19 +1,9 @@
 #! /bin/bash
+
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 # Format is:
 # element://call?url=some-encoded-url
diff --git a/tools/adb/callLinkCustomScheme2.sh b/tools/adb/callLinkCustomScheme2.sh
index d6dabd595c..640e7e9878 100755
--- a/tools/adb/callLinkCustomScheme2.sh
+++ b/tools/adb/callLinkCustomScheme2.sh
@@ -1,19 +1,9 @@
 #! /bin/bash
+
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 # Format is:
 # io.element.call:/?url=some-encoded-url
diff --git a/tools/adb/callLinkHttps.sh b/tools/adb/callLinkHttps.sh
index 00ff341de3..d5669fe71d 100755
--- a/tools/adb/callLinkHttps.sh
+++ b/tools/adb/callLinkHttps.sh
@@ -1,19 +1,9 @@
 #! /bin/bash
+
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 # Format is:
 # https://call.element.io/*
diff --git a/tools/adb/oidc.sh b/tools/adb/oidc.sh
index bcc519f313..91c7ed4297 100755
--- a/tools/adb/oidc.sh
+++ b/tools/adb/oidc.sh
@@ -1,19 +1,9 @@
 #! /bin/bash
+
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 # Format is:
 
diff --git a/tools/git/validate_lfs.sh b/tools/git/validate_lfs.sh
index ce121057b6..cc6328e92c 100755
--- a/tools/git/validate_lfs.sh
+++ b/tools/git/validate_lfs.sh
@@ -1,20 +1,10 @@
 #! /bin/bash
 
+# Copyright 2022-2024 New Vector Ltd.
 #
-# Copyright (c) 2022 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
+
 # Based on https://cashapp.github.io/paparazzi/#git-lfs
 
 # Compare the output of `git ls-files ':(attr:filter=lfs)'` against `git lfs ls-files`
diff --git a/tools/gitflow/gitflow-init.sh b/tools/gitflow/gitflow-init.sh
index 5068a37575..052e9ad9fd 100755
--- a/tools/gitflow/gitflow-init.sh
+++ b/tools/gitflow/gitflow-init.sh
@@ -1,19 +1,9 @@
 #!/usr/bin/env bash
 
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 git flow init -d
 git config gitflow.prefix.versiontag v
diff --git a/tools/release/release.sh b/tools/release/release.sh
index e0af115971..4838d9d00e 100755
--- a/tools/release/release.sh
+++ b/tools/release/release.sh
@@ -1,20 +1,9 @@
 #!/usr/bin/env bash
 
+# Copyright 2023-2024 New Vector Ltd.
 #
-# Copyright (c) 2023 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
+# SPDX-License-Identifier: AGPL-3.0-only
+# Please see LICENSE in the repository root for full details.
 
 # do not exit when any command fails (issue with git flow)
 set +e