diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
index 363d7a787..555635eb7 100644
--- a/plugins/trezor/plugin.py
+++ b/plugins/trezor/plugin.py
@@ -76,13 +76,8 @@ class TrezorCompatiblePlugin(HW_PluginBase):
 
     def _try_hid(self, device):
         self.print_error("Trying to connect over USB...")
-        if device.interface_number == 1:
-            pair = [None, device.path]
-        else:
-            pair = [device.path, None]
-
         try:
-            return self.hid_transport(pair)
+            return self.hid_transport(device)
         except BaseException as e:
             # see fdb810ba622dc7dbe1259cbafb5b28e19d2ab114
             # raise
diff --git a/plugins/trezor/trezor.py b/plugins/trezor/trezor.py
index 72f003cea..32b50de4b 100644
--- a/plugins/trezor/trezor.py
+++ b/plugins/trezor/trezor.py
@@ -6,9 +6,9 @@ class TrezorKeyStore(TrezorCompatibleKeyStore):
     device = 'TREZOR'
 
 class TrezorPlugin(TrezorCompatiblePlugin):
-    firmware_URL = 'https://www.mytrezor.com'
+    firmware_URL = 'https://wallet.trezor.io'
     libraries_URL = 'https://github.com/trezor/python-trezor'
-    minimum_firmware = (1, 3, 3)
+    minimum_firmware = (1, 5, 2)
     keystore_class = TrezorKeyStore
 
     def __init__(self, *args):
@@ -20,15 +20,15 @@ class TrezorPlugin(TrezorCompatiblePlugin):
             self.client_class = client.TrezorClient
             self.ckd_public = trezorlib.ckd_public
             self.types = trezorlib.client.types
-            self.DEVICE_IDS = trezorlib.transport_hid.DEVICE_IDS
+            self.DEVICE_IDS = (trezorlib.transport_hid.DEV_TREZOR1, trezorlib.transport_hid.DEV_TREZOR2)
             self.libraries_available = True
         except ImportError:
             self.libraries_available = False
         TrezorCompatiblePlugin.__init__(self, *args)
 
-    def hid_transport(self, pair):
+    def hid_transport(self, device):
         from trezorlib.transport_hid import HidTransport
-        return HidTransport(pair)
+        return HidTransport.find_by_path(device.path)
 
     def bridge_transport(self, d):
         from trezorlib.transport_bridge import BridgeTransport