diff --git a/trezorlib/tests/device_tests/test_msg_stellar_get_public_key.py b/trezorlib/tests/device_tests/test_msg_stellar_get_public_key.py
new file mode 100644
index 000000000..b3f3a012c
--- /dev/null
+++ b/trezorlib/tests/device_tests/test_msg_stellar_get_public_key.py
@@ -0,0 +1,26 @@
+# This file is part of the TREZOR project.
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+from .common import *
+import trezorlib.stellar as stellar
+
+class TestMsgStellarGetPublicKey(TrezorTest):
+
+    def test_stellar_get_address(self):
+        self.setup_mnemonic_nopin_nopassphrase()
+
+        # GAK5MSF74TJW6GLM7NLTL76YZJKM2S4CGP3UH4REJHPHZ4YBZW2GSBPW
+        response = self.client.stellar_get_public_key(self.client.expand_path("m/44'/148'/0'"))
+        assert stellar.address_from_public_key(response.public_key) == b'GAK5MSF74TJW6GLM7NLTL76YZJKM2S4CGP3UH4REJHPHZ4YBZW2GSBPW'
diff --git a/trezorlib/tests/device_tests/test_msg_stellar_sign_transaction.py b/trezorlib/tests/device_tests/test_msg_stellar_sign_transaction.py
new file mode 100644
index 000000000..f3b0df104
--- /dev/null
+++ b/trezorlib/tests/device_tests/test_msg_stellar_sign_transaction.py
@@ -0,0 +1,48 @@
+# This file is part of the TREZOR project.
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+#
+# XDR decoding tool available at:
+#   https://www.stellar.org/laboratory/#xdr-viewer
+#
+
+import base64
+from .common import *
+
+class TestMsgStellarSignTransaction(TrezorTest):
+
+    def get_network_passphrase(self):
+        """Use the same passphrase as the network that generated the test XDR/signatures"""
+        return "Integration Test Network ; zulucrypto"
+
+    def get_address_n(self):
+        """BIP32 path of the default account"""
+        return self.client.expand_path("m/44'/148'/0'")
+
+    def test_sign_tx_bump_sequence_op(self):
+        self.setup_mnemonic_nopin_nopassphrase()
+
+        xdr = base64.b64decode("AAAAABXWSL/k028ZbPtXNf/YylTNS4Iz90PyJEnefPMBzbRpAAAAZAAAAAEAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAt//////////wAAAAAAAAAA")
+
+        response = self.client.stellar_sign_transaction(xdr, self.get_address_n(), self.get_network_passphrase())
+        assert base64.b64encode(response.signature) == b'UAOL4ZPYIOzEgM66kBrhyNjLR66dNXtuNrmvd3m0/pc8qCSoLmYY4TybS0lHiMtb+LFZESTaxrpErMHz1sZ6DQ=='
+
+
+    def test_sign_tx_account_merge_op(self):
+        self.setup_mnemonic_nopin_nopassphrase()
+
+        xdr = base64.b64decode("AAAAABXWSL/k028ZbPtXNf/YylTNS4Iz90PyJEnefPMBzbRpAAAAZAAAAAEAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAgAAAAAXVVkJGaxhbhDFS6eIZFR28WJICfsQBAaUXvtXKAwwuAAAAAAAAAAAQHNtGkAAABAgjoPRj4sW5o7NAXzYOqPK0uxfPbeKb4Qw48LJiCH/XUZ6YVCiZogePC0Z5ISUlozMh6YO6HoYtuLPbm7jq+eCA==")
+
+        response = self.client.stellar_sign_transaction(xdr, self.get_address_n(), self.get_network_passphrase())
+        assert base64.b64encode(response.signature) == b'gjoPRj4sW5o7NAXzYOqPK0uxfPbeKb4Qw48LJiCH/XUZ6YVCiZogePC0Z5ISUlozMh6YO6HoYtuLPbm7jq+eCA=='