diff --git a/trezorlib/messages_pb2.py b/trezorlib/messages_pb2.py
index 0f5ccbe916..31f373548f 100644
--- a/trezorlib/messages_pb2.py
+++ b/trezorlib/messages_pb2.py
@@ -15,7 +15,7 @@ import types_pb2
 DESCRIPTOR = _descriptor.FileDescriptor(
   name='messages.proto',
   package='',
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\x02(\r\x12\x1a\n\tcoin_name\x18\x03 \x01(\t:\x07\x42itcoin\"\x90\x01\n\x0cSimpleSignTx\x12\x1c\n\x06inputs\x18\x01 \x03(\x0b\x32\x0c.TxInputType\x12\x1e\n\x07outputs\x18\x02 \x03(\x0b\x32\r.TxOutputType\x12&\n\x0ctransactions\x18\x03 \x03(\x0b\x32\x10.TransactionType\x12\x1a\n\tcoin_name\x18\x04 \x01(\t:\x07\x42itcoin\"\x86\x01\n\tTxRequest\x12\x15\n\rrequest_index\x18\x01 \x01(\x05\x12\"\n\x0crequest_type\x18\x02 \x01(\x0e\x32\x0c.RequestType\x12\x14\n\x0csigned_index\x18\x03 \x01(\x05\x12\x11\n\tsignature\x18\x04 \x01(\x0c\x12\x15\n\rserialized_tx\x18\x05 \x01(\x0c\"&\n\x07TxInput\x12\x1b\n\x05input\x18\x01 \x02(\x0b\x32\x0c.TxInputType\")\n\x08TxOutput\x12\x1d\n\x06output\x18\x01 \x02(\x0b\x32\r.TxOutputType\"\x0f\n\rFirmwareErase\"!\n\x0e\x46irmwareUpload\x12\x0f\n\x07payload\x18\x01 \x02(\x0c\"#\n\x11\x44\x65\x62ugLinkDecision\x12\x0e\n\x06yes_no\x18\x01 \x02(\x08\"\x13\n\x11\x44\x65\x62ugLinkGetState\"\xeb\x01\n\x0e\x44\x65\x62ugLinkState\x12\x0e\n\x06layout\x18\x01 \x01(\x0c\x12\x0b\n\x03pin\x18\x02 \x01(\t\x12\x0e\n\x06matrix\x18\x03 \x01(\t\x12\x10\n\x08mnemonic\x18\x04 \x01(\t\x12\x19\n\x04node\x18\x05 \x01(\x0b\x32\x0b.HDNodeType\x12\x1d\n\x15passphrase_protection\x18\x06 \x01(\x08\x12\x12\n\nreset_word\x18\x07 \x01(\t\x12\x15\n\rreset_entropy\x18\x08 \x01(\x0c\x12\x1a\n\x12recovery_fake_word\x18\t \x01(\t\x12\x19\n\x11recovery_word_pos\x18\n \x01(\r\"\x0f\n\rDebugLinkStop\";\n\x0c\x44\x65\x62ugLinkLog\x12\r\n\x05level\x18\x01 \x01(\r\x12\x0e\n\x06\x62ucket\x18\x02 \x01(\t\x12\x0c\n\x04text\x18\x03 \x01(\t*\xad\x0c\n\x0bMessageType\x12 \n\x16MessageType_Initialize\x10\x00\x1a\x04\x90\xb5\x18\x01\x12\x1a\n\x10MessageType_Ping\x10\x01\x1a\x04\x90\xb5\x18\x01\x12\x1d\n\x13MessageType_Success\x10\x02\x1a\x04\x98\xb5\x18\x01\x12\x1d\n\x13MessageType_Failure\x10\x03\x1a\x04\x98\xb5\x18\x01\x12\x1f\n\x15MessageType_ChangePin\x10\x04\x1a\x04\x90\xb5\x18\x01\x12 \n\x16MessageType_WipeDevice\x10\x05\x1a\x04\x90\xb5\x18\x01\x12#\n\x19MessageType_FirmwareErase\x10\x06\x1a\x04\x90\xb5\x18\x01\x12$\n\x1aMessageType_FirmwareUpload\x10\x07\x1a\x04\x90\xb5\x18\x01\x12 \n\x16MessageType_GetEntropy\x10\t\x1a\x04\x90\xb5\x18\x01\x12\x1d\n\x13MessageType_Entropy\x10\n\x1a\x04\x98\xb5\x18\x01\x12\"\n\x18MessageType_GetPublicKey\x10\x0b\x1a\x04\x90\xb5\x18\x01\x12\x1f\n\x15MessageType_PublicKey\x10\x0c\x1a\x04\x98\xb5\x18\x01\x12 \n\x16MessageType_LoadDevice\x10\r\x1a\x04\x90\xb5\x18\x01\x12!\n\x17MessageType_ResetDevice\x10\x0e\x1a\x04\x90\xb5\x18\x01\x12\x1c\n\x12MessageType_SignTx\x10\x0f\x1a\x04\x90\xb5\x18\x01\x12\"\n\x18MessageType_SimpleSignTx\x10\x10\x1a\x04\x90\xb5\x18\x01\x12\x1e\n\x14MessageType_Features\x10\x11\x1a\x04\x98\xb5\x18\x01\x12&\n\x1cMessageType_PinMatrixRequest\x10\x12\x1a\x04\x98\xb5\x18\x01\x12\"\n\x18MessageType_PinMatrixAck\x10\x13\x1a\x04\x90\xb5\x18\x01\x12\x1c\n\x12MessageType_Cancel\x10\x14\x1a\x04\x90\xb5\x18\x01\x12\x1f\n\x15MessageType_TxRequest\x10\x15\x1a\x04\x98\xb5\x18\x01\x12\x1d\n\x13MessageType_TxInput\x10\x17\x1a\x04\x90\xb5\x18\x01\x12\x1e\n\x14MessageType_TxOutput\x10\x18\x1a\x04\x90\xb5\x18\x01\x12#\n\x19MessageType_ApplySettings\x10\x19\x1a\x04\x90\xb5\x18\x01\x12#\n\x19MessageType_ButtonRequest\x10\x1a\x1a\x04\x98\xb5\x18\x01\x12\x1f\n\x15MessageType_ButtonAck\x10\x1b\x1a\x04\x90\xb5\x18\x01\x12 \n\x16MessageType_GetAddress\x10\x1d\x1a\x04\x90\xb5\x18\x01\x12\x1d\n\x13MessageType_Address\x10\x1e\x1a\x04\x98\xb5\x18\x01\x12$\n\x1aMessageType_EntropyRequest\x10#\x1a\x04\x98\xb5\x18\x01\x12 \n\x16MessageType_EntropyAck\x10$\x1a\x04\x90\xb5\x18\x01\x12!\n\x17MessageType_SignMessage\x10&\x1a\x04\x90\xb5\x18\x01\x12#\n\x19MessageType_VerifyMessage\x10\'\x1a\x04\x90\xb5\x18\x01\x12&\n\x1cMessageType_MessageSignature\x10(\x1a\x04\x98\xb5\x18\x01\x12\'\n\x1dMessageType_PassphraseRequest\x10)\x1a\x04\x98\xb5\x18\x01\x12#\n\x19MessageType_PassphraseAck\x10*\x1a\x04\x90\xb5\x18\x01\x12$\n\x1aMessageType_EstimateTxSize\x10+\x1a\x04\x90\xb5\x18\x01\x12\x1c\n\x12MessageType_TxSize\x10,\x1a\x04\x98\xb5\x18\x01\x12$\n\x1aMessageType_RecoveryDevice\x10-\x1a\x04\x90\xb5\x18\x01\x12!\n\x17MessageType_WordRequest\x10.\x1a\x04\x98\xb5\x18\x01\x12\x1d\n\x13MessageType_WordAck\x10/\x1a\x04\x90\xb5\x18\x01\x12\'\n\x1dMessageType_DebugLinkDecision\x10\x64\x1a\x04\xa0\xb5\x18\x01\x12\'\n\x1dMessageType_DebugLinkGetState\x10\x65\x1a\x04\xa0\xb5\x18\x01\x12$\n\x1aMessageType_DebugLinkState\x10\x66\x1a\x04\xa8\xb5\x18\x01\x12#\n\x19MessageType_DebugLinkStop\x10g\x1a\x04\xa0\xb5\x18\x01\x12\"\n\x18MessageType_DebugLinkLog\x10h\x1a\x04\xa8\xb5\x18\x01\x42\x39\n(org.multibit.hd.hardware.trezor.protobufB\rTrezorMessage')
 
 _MESSAGETYPE = _descriptor.EnumDescriptor(
   name='MessageType',
@@ -206,8 +206,8 @@ _MESSAGETYPE = _descriptor.EnumDescriptor(
   ],
   containing_type=None,
   options=None,
-  serialized_start=2857,
-  serialized_end=4438,
+  serialized_start=2882,
+  serialized_end=4463,
 )
 
 MessageType = enum_type_wrapper.EnumTypeWrapper(_MESSAGETYPE)
@@ -373,8 +373,15 @@ _FEATURES = _descriptor.Descriptor(
       options=None),
     _descriptor.FieldDescriptor(
       name='revision', full_name='Features.revision', index=12,
-      number=13, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=unicode("", "utf-8"),
+      number=13, type=12, cpp_type=9, label=1,
+      has_default_value=False, default_value="",
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='bootloader_hash', full_name='Features.bootloader_hash', index=13,
+      number=14, type=12, cpp_type=9, label=1,
+      has_default_value=False, default_value="",
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None),
@@ -388,7 +395,7 @@ _FEATURES = _descriptor.Descriptor(
   is_extendable=False,
   extension_ranges=[],
   serialized_start=46,
-  serialized_end=339,
+  serialized_end=364,
 )
 
 
@@ -422,8 +429,8 @@ _APPLYSETTINGS = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=341,
-  serialized_end=389,
+  serialized_start=366,
+  serialized_end=414,
 )
 
 
@@ -450,8 +457,8 @@ _CHANGEPIN = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=391,
-  serialized_end=418,
+  serialized_start=416,
+  serialized_end=443,
 )
 
 
@@ -499,8 +506,8 @@ _PING = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=420,
-  serialized_end=525,
+  serialized_start=445,
+  serialized_end=550,
 )
 
 
@@ -527,8 +534,8 @@ _SUCCESS = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=527,
-  serialized_end=553,
+  serialized_start=552,
+  serialized_end=578,
 )
 
 
@@ -562,8 +569,8 @@ _FAILURE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=555,
-  serialized_end=609,
+  serialized_start=580,
+  serialized_end=634,
 )
 
 
@@ -597,8 +604,8 @@ _BUTTONREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=611,
-  serialized_end=674,
+  serialized_start=636,
+  serialized_end=699,
 )
 
 
@@ -618,8 +625,8 @@ _BUTTONACK = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=676,
-  serialized_end=687,
+  serialized_start=701,
+  serialized_end=712,
 )
 
 
@@ -646,8 +653,8 @@ _PINMATRIXREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=689,
-  serialized_end=744,
+  serialized_start=714,
+  serialized_end=769,
 )
 
 
@@ -674,8 +681,8 @@ _PINMATRIXACK = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=746,
-  serialized_end=773,
+  serialized_start=771,
+  serialized_end=798,
 )
 
 
@@ -695,8 +702,8 @@ _CANCEL = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=775,
-  serialized_end=783,
+  serialized_start=800,
+  serialized_end=808,
 )
 
 
@@ -716,8 +723,8 @@ _PASSPHRASEREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=785,
-  serialized_end=804,
+  serialized_start=810,
+  serialized_end=829,
 )
 
 
@@ -744,8 +751,8 @@ _PASSPHRASEACK = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=806,
-  serialized_end=841,
+  serialized_start=831,
+  serialized_end=866,
 )
 
 
@@ -772,8 +779,8 @@ _GETENTROPY = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=843,
-  serialized_end=869,
+  serialized_start=868,
+  serialized_end=894,
 )
 
 
@@ -800,8 +807,8 @@ _ENTROPY = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=871,
-  serialized_end=897,
+  serialized_start=896,
+  serialized_end=922,
 )
 
 
@@ -828,8 +835,8 @@ _GETPUBLICKEY = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=899,
-  serialized_end=932,
+  serialized_start=924,
+  serialized_end=957,
 )
 
 
@@ -856,8 +863,8 @@ _PUBLICKEY = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=934,
-  serialized_end=972,
+  serialized_start=959,
+  serialized_end=997,
 )
 
 
@@ -891,8 +898,8 @@ _GETADDRESS = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=974,
-  serialized_end=1033,
+  serialized_start=999,
+  serialized_end=1058,
 )
 
 
@@ -919,8 +926,8 @@ _ADDRESS = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1035,
-  serialized_end=1061,
+  serialized_start=1060,
+  serialized_end=1086,
 )
 
 
@@ -940,8 +947,8 @@ _WIPEDEVICE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1063,
-  serialized_end=1075,
+  serialized_start=1088,
+  serialized_end=1100,
 )
 
 
@@ -1010,8 +1017,8 @@ _LOADDEVICE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1078,
-  serialized_end=1244,
+  serialized_start=1103,
+  serialized_end=1269,
 )
 
 
@@ -1073,8 +1080,8 @@ _RESETDEVICE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1247,
-  serialized_end=1404,
+  serialized_start=1272,
+  serialized_end=1429,
 )
 
 
@@ -1094,8 +1101,8 @@ _ENTROPYREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1406,
-  serialized_end=1422,
+  serialized_start=1431,
+  serialized_end=1447,
 )
 
 
@@ -1122,8 +1129,8 @@ _ENTROPYACK = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1424,
-  serialized_end=1453,
+  serialized_start=1449,
+  serialized_end=1478,
 )
 
 
@@ -1185,8 +1192,8 @@ _RECOVERYDEVICE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1456,
-  serialized_end=1615,
+  serialized_start=1481,
+  serialized_end=1640,
 )
 
 
@@ -1206,8 +1213,8 @@ _WORDREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1617,
-  serialized_end=1630,
+  serialized_start=1642,
+  serialized_end=1655,
 )
 
 
@@ -1234,8 +1241,8 @@ _WORDACK = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1632,
-  serialized_end=1655,
+  serialized_start=1657,
+  serialized_end=1680,
 )
 
 
@@ -1276,8 +1283,8 @@ _SIGNMESSAGE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1657,
-  serialized_end=1734,
+  serialized_start=1682,
+  serialized_end=1759,
 )
 
 
@@ -1318,8 +1325,8 @@ _VERIFYMESSAGE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1736,
-  serialized_end=1804,
+  serialized_start=1761,
+  serialized_end=1829,
 )
 
 
@@ -1353,8 +1360,8 @@ _MESSAGESIGNATURE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1806,
-  serialized_end=1860,
+  serialized_start=1831,
+  serialized_end=1885,
 )
 
 
@@ -1395,8 +1402,8 @@ _ESTIMATETXSIZE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1862,
-  serialized_end=1951,
+  serialized_start=1887,
+  serialized_end=1976,
 )
 
 
@@ -1423,8 +1430,8 @@ _TXSIZE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1953,
-  serialized_end=1978,
+  serialized_start=1978,
+  serialized_end=2003,
 )
 
 
@@ -1465,8 +1472,8 @@ _SIGNTX = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=1980,
-  serialized_end=2061,
+  serialized_start=2005,
+  serialized_end=2086,
 )
 
 
@@ -1514,8 +1521,8 @@ _SIMPLESIGNTX = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2064,
-  serialized_end=2208,
+  serialized_start=2089,
+  serialized_end=2233,
 )
 
 
@@ -1570,8 +1577,8 @@ _TXREQUEST = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2211,
-  serialized_end=2345,
+  serialized_start=2236,
+  serialized_end=2370,
 )
 
 
@@ -1598,8 +1605,8 @@ _TXINPUT = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2347,
-  serialized_end=2385,
+  serialized_start=2372,
+  serialized_end=2410,
 )
 
 
@@ -1626,8 +1633,8 @@ _TXOUTPUT = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2387,
-  serialized_end=2428,
+  serialized_start=2412,
+  serialized_end=2453,
 )
 
 
@@ -1647,8 +1654,8 @@ _FIRMWAREERASE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2430,
-  serialized_end=2445,
+  serialized_start=2455,
+  serialized_end=2470,
 )
 
 
@@ -1675,8 +1682,8 @@ _FIRMWAREUPLOAD = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2447,
-  serialized_end=2480,
+  serialized_start=2472,
+  serialized_end=2505,
 )
 
 
@@ -1703,8 +1710,8 @@ _DEBUGLINKDECISION = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2482,
-  serialized_end=2517,
+  serialized_start=2507,
+  serialized_end=2542,
 )
 
 
@@ -1724,8 +1731,8 @@ _DEBUGLINKGETSTATE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2519,
-  serialized_end=2538,
+  serialized_start=2544,
+  serialized_end=2563,
 )
 
 
@@ -1815,8 +1822,8 @@ _DEBUGLINKSTATE = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2541,
-  serialized_end=2776,
+  serialized_start=2566,
+  serialized_end=2801,
 )
 
 
@@ -1836,8 +1843,8 @@ _DEBUGLINKSTOP = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2778,
-  serialized_end=2793,
+  serialized_start=2803,
+  serialized_end=2818,
 )
 
 
@@ -1878,8 +1885,8 @@ _DEBUGLINKLOG = _descriptor.Descriptor(
   options=None,
   is_extendable=False,
   extension_ranges=[],
-  serialized_start=2795,
-  serialized_end=2854,
+  serialized_start=2820,
+  serialized_end=2879,
 )
 
 _FEATURES.fields_by_name['coins'].message_type = types_pb2._COINTYPE