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--- /dev/null
+++ b/tests/integration/nano/test_sign/operations/test_sign_micheline.py
@@ -0,0 +1,294 @@
+#!/usr/bin/env python3
+# Copyright 2024 Functori <contact@functori.com>
+# Copyright 2024 Trilitech <contact@trili.tech>
+
+# 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.
+
+"""Gathering of tests related to Micheline."""
+
+from pathlib import Path
+from typing import List, Tuple
+
+import pytest
+from _pytest.mark import ParameterSet
+
+from utils.account import Account
+from utils.message import Default, MichelineExpr, Micheline
+from utils.navigator import TezosNavigator
+
+sequence_cases: List[Tuple[Micheline, str]] = [
+    ([], "empty"),
+    ([{"prim": "Unit"}], "singleton"),
+    ([{"int": i} for i in range(0, 256)], "long"),
+]
+
+int_cases: List[Tuple[Micheline, str]] = [
+    ({"int": 0}, "0"),
+    ({"int": 123456789}, "all-digit"),
+    ({"int": 1000000000000000000}, "very-big"),
+    ({"int": -1}, "neg"),
+    ({"int": -1000000000000000000}, "very-small"),
+]
+
+bytes_cases: List[Tuple[Micheline, str]] = [
+    ({"bytes": b''.hex()}, "empty"),
+    ({"bytes": b'00'.hex()}, "0"),
+    ({"bytes": bytes(range(0, 256)).hex()}, "all-byte"),
+]
+
+string_cases: List[Tuple[Micheline, str]] = [
+    ({"string": ""}, "empty"),
+    ({"string": ''.join(map(chr, range(0, 256)))}, "first-256-char"),
+]
+
+default_view_interface = ({"prim": "nat"}, {"prim": "unit"}, [{"prim": "DROP"}, {"prim": "UNIT"}])
+
+prim_cases: List[Tuple[Micheline, str]] = [
+
+    # Keyword
+    ({"prim": "parameter", 'args': [{"prim": "unit"}]}, "parameter"),
+    ({"prim": "storage", 'args': [{"prim": "unit"}]}, "storage"),
+    ({"prim": "code", 'args': [{"prim": "ADD"}]}, "code"),
+    ({"prim": "view", 'args': [{'string': ''}, *default_view_interface]}, "small-view-name"),
+    ({"prim": "view", 'args': [{'string': 'v' * 31}, *default_view_interface]}, "long-view-name"),
+    ({"prim": "view", 'args': [{'string': 'view\nname'}, *default_view_interface]}, "view-name-with-newline"),
+
+    # Data
+    ({"prim": "False"}, "False"),
+    ({"prim": "Elt", 'args': [{"prim": "Unit"}, {"prim": "Unit"}]}, "Elt"),
+    ({"prim": "Left", 'args': [{"prim": "Unit"}]}, "Left"),
+    ({"prim": "None"}, "None"),
+    ({"prim": "Pair", 'args': [{"prim": "Unit"}, {"prim": "Unit"}]}, "Pair"),
+    ({"prim": "Pair", 'args': [{"prim": "Unit"}, {"prim": "Unit"}, {"prim": "Unit"}, {"prim": "Unit"}]}, "long-Pair"),
+    ({"prim": "Right", 'args': [{"prim": "Unit"}]}, "Right"),
+    ({"prim": "Some", 'args': [{"prim": "Unit"}]}, "Some"),
+    ({"prim": "True"}, "True"),
+    ({"prim": "Unit"}, "Unit"),
+    ({"prim": "Ticket", 'args': [{"string": Default.ORIGINATED_ADDRESS+"%my_entrypoint"}, {"prim": "unit"}, {"prim": "Unit"}, {"int": 0}]}, "Ticket"),
+    ({"prim": "Lambda_rec", 'args': [[{"prim": "DROP"}, {"prim": "DROP"}, {"prim": "UNIT"}]]}, "Lambda_rec"),
+
+    # Instruction
+    ({"prim": "PACK"}, "PACK"),
+    ({"prim": "UNPACK", 'args': [{"prim": "unit"}]}, "UNPACK"),
+    ({"prim": "BLAKE2B"}, "BLAKE2B"),
+    ({"prim": "SHA256"}, "SHA256"),
+    ({"prim": "SHA512"}, "SHA512"),
+    ({"prim": "ABS"}, "ABS"),
+    ({"prim": "ADD"}, "ADD"),
+    ({"prim": "AMOUNT"}, "AMOUNT"),
+    ({"prim": "AND"}, "AND"),
+    ({"prim": "BALANCE"}, "BALANCE"),
+    ({"prim": "CAR"}, "CAR"),
+    ({"prim": "CDR"}, "CDR"),
+    ({"prim": "CHAIN_ID"}, "CHAIN_ID"),
+    ({"prim": "CHECK_SIGNATURE"}, "CHECK_SIGNATURE"),
+    ({"prim": "COMPARE"}, "COMPARE"),
+    ({"prim": "CONCAT"}, "CONCAT"),
+    ({"prim": "CONS"}, "CONS"),
+    ({"prim": "__CREATE_ACCOUNT__"}, "CREATE_ACCOUNT"),  # deprecated
+    ({"prim": "CREATE_CONTRACT", 'args': [[
+        {"prim": "parameter", 'args': [{"prim": "unit"}]},
+        {"prim": "storage", 'args': [{"prim": "unit"}]},
+        {"prim": "code", 'args': [{"prim": "ADD"}]},
+    ]]}, "CREATE_CONTRACT"),
+    ({"prim": "CREATE_CONTRACT", 'args': [[
+        {"prim": "parameter", 'args': [{"prim": "unit"}]},
+        {"prim": "storage", 'args': [{"prim": "unit"}]},
+        {"prim": "code", 'args': [{"prim": "ADD"}]},
+        {"prim": "view", 'args': [{'string': 'view-name1'}, *default_view_interface]},
+        {"prim": "view", 'args': [{'string': 'view-name2'}, *default_view_interface]},
+    ]]}, "CREATE_CONTRACT-with-views"),
+    ({"prim": "IMPLICIT_ACCOUNT"}, "IMPLICIT_ACCOUNT"),
+    ({"prim": "DIP", 'args': [[{"prim": "UNIT"}]]}, "DIP"),
+    ({"prim": "DIP", 'args': [{"int": 0x3FF}, [{"prim": "UNIT"}]]}, "DIP-n"),
+    ({"prim": "DROP", 'args': [{"int": 0x3FF}]}, "DROP"),
+    ({"prim": "DROP"}, "DROP-no-arg"),
+    ({"prim": "DUP", 'args': [{"int": 0x3FF}]}, "DUP"),
+    ({"prim": "DUP"}, "DUP-no-arg"),
+    ({"prim": "VIEW", 'args': [{'string': 'view-name'}, {"prim": "unit"}]}, "VIEW"),
+    ({"prim": "EDIV"}, "EDIV"),
+    ({"prim": "EMPTY_BIG_MAP", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "EMPTY_BIG_MAP"),
+    ({"prim": "EMPTY_MAP", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "EMPTY_MAP"),
+    ({"prim": "EMPTY_SET", 'args': [{"prim": "unit"}]}, "EMPTY_SET"),
+    ({"prim": "EQ"}, "EQ"),
+    ({"prim": "EXEC"}, "EXEC"),
+    ({"prim": "APPLY"}, "APPLY"),
+    ({"prim": "FAILWITH"}, "FAILWITH"),
+    ({"prim": "GE"}, "GE"),
+    ({"prim": "GET", 'args': [{"int": 0x7FF}]}, "GET"),
+    ({"prim": "GET"}, "GET-no-arg"),
+    ({"prim": "GET_AND_UPDATE"}, "GET_AND_UPDATE"),
+    ({"prim": "GT"}, "GT"),
+    ({"prim": "HASH_KEY"}, "HASH_KEY"),
+    ({"prim": "IF", 'args': [[{"prim": "UNIT"}], [{"prim": "UNIT"}]]}, "IF"),
+    ({"prim": "IF_CONS", 'args': [[{"prim": "UNIT"}], [{"prim": "UNIT"}]]}, "IF_CONS"),
+    ({"prim": "IF_LEFT", 'args': [[{"prim": "UNIT"}], [{"prim": "UNIT"}]]}, "IF_LEFT"),
+    ({"prim": "IF_NONE", 'args': [[{"prim": "UNIT"}], [{"prim": "UNIT"}]]}, "IF_NONE"),
+    ({"prim": "INT"}, "INT"),
+    ({"prim": "LAMBDA", 'args': [{"prim": "unit"}, {"prim": "unit"}, [{"prim": "UNIT"}]]}, "LAMBDA"),
+    ({"prim": "LAMBDA_REC", 'args': [{"prim": "unit"}, {"prim": "unit"}, [{"prim": "UNIT"}]]}, "LAMBDA_REC"),
+    ({"prim": "LE"}, "LE"),
+    ({"prim": "LEFT", 'args': [{"prim": "unit"}]}, "LEFT"),
+    ({"prim": "LEVEL"}, "LEVEL"),
+    ({"prim": "LOOP", 'args': [[{"prim": "UNIT"}]]}, "LOOP"),
+    ({"prim": "LSL"}, "LSL"),
+    ({"prim": "LSR"}, "LSR"),
+    ({"prim": "LT"}, "LT"),
+    ({"prim": "MAP", 'args': [[{"prim": "UNIT"}]]}, "MAP"),
+    ({"prim": "MEM"}, "MEM"),
+    ({"prim": "MUL"}, "MUL"),
+    ({"prim": "NEG"}, "NEG"),
+    ({"prim": "NEQ"}, "NEQ"),
+    ({"prim": "NIL", 'args': [{"prim": "unit"}]}, "NIL"),
+    ({"prim": "NONE", 'args': [{"prim": "unit"}]}, "NONE"),
+    ({"prim": "NOT"}, "NOT"),
+    ({"prim": "NOW"}, "NOW"),
+    ({"prim": "MIN_BLOCK_TIME"}, "MIN_BLOCK_TIME"),
+    ({"prim": "OR"}, "OR"),
+    ({"prim": "PAIR", 'args': [{"int": 0x3FF}]}, "PAIR"),
+    ({"prim": "PAIR"}, "PAIR-no-arg"),
+    ({"prim": "UNPAIR", 'args': [{"int": 0}]}, "UNPAIR-min"),
+    ({"prim": "UNPAIR", 'args': [{"int": 0x3FF}]}, "UNPAIR-max"),
+    ({"prim": "UNPAIR"}, "UNPAIR-no-arg"),
+    ({"prim": "PUSH", 'args': [{"prim": "unit"}, {"prim": "Unit"}]}, "PUSH"),
+    ({"prim": "RIGHT", 'args': [{"prim": "unit"}]}, "RIGHT"),
+    ({"prim": "SIZE"}, "SIZE"),
+    ({"prim": "SOME"}, "SOME"),
+    ({"prim": "SOURCE"}, "SOURCE"),
+    ({"prim": "SENDER"}, "SENDER"),
+    ({"prim": "SELF"}, "SELF"),
+    ({"prim": "SELF_ADDRESS"}, "SELF_ADDRESS"),
+    ({"prim": "SLICE"}, "SLICE"),
+    ({"prim": "STEPS_TO_QUOTA"}, "STEPS_TO_QUOTA"),  # deprecated
+    ({"prim": "SUB"}, "SUB"),
+    ({"prim": "SUB_MUTEZ"}, "SUB_MUTEZ"),
+    ({"prim": "SWAP"}, "SWAP"),
+    ({"prim": "TRANSFER_TOKENS"}, "TRANSFER_TOKENS"),
+    ({"prim": "SET_DELEGATE"}, "SET_DELEGATE"),
+    ({"prim": "UNIT"}, "UNIT"),
+    ({"prim": "UPDATE", 'args': [{"int": 0}]}, "UPDATE-min"),
+    ({"prim": "UPDATE", 'args': [{"int": 0x7FF}]}, "UPDATE-max"),
+    ({"prim": "UPDATE"}, "UPDATE-no-arg"),
+    ({"prim": "XOR"}, "XOR"),
+    ({"prim": "ITER", 'args': [[{"prim": "UNIT"}]]}, "ITER"),
+    ({"prim": "LOOP_LEFT", 'args': [[{"prim": "UNIT"}]]}, "LOOP_LEFT"),
+    ({"prim": "ADDRESS"}, "ADDRESS"),
+    ({"prim": "CONTRACT", 'args': [{"prim": "unit"}]}, "CONTRACT"),
+    ({"prim": "ISNAT"}, "ISNAT"),
+    ({"prim": "CAST", 'args': [{"prim": "unit"}]}, "CAST"),
+    ({"prim": "RENAME"}, "RENAME"),
+    ({"prim": "SAPLING_EMPTY_STATE", 'args': [{"int": 0XFFFF}]}, "SAPLING_EMPTY_STATE"),
+    ({"prim": "SAPLING_VERIFY_UPDATE"}, "SAPLING_VERIFY_UPDATE"),
+    ({"prim": "DIG", 'args': [{"int": 0x3FF}]}, "DIG"),
+    ({"prim": "DUG", 'args': [{"int": 0x3FF}]}, "DUG"),
+    ({"prim": "NEVER"}, "NEVER"),
+    ({"prim": "VOTING_POWER"}, "VOTING_POWER"),
+    ({"prim": "TOTAL_VOTING_POWER"}, "TOTAL_VOTING_POWER"),
+    ({"prim": "KECCAK"}, "KECCAK"),
+    ({"prim": "SHA3"}, "SHA3"),
+    ({"prim": "PAIRING_CHECK"}, "PAIRING_CHECK"),
+    ({"prim": "TICKET"}, "TICKET"),
+    ({"prim": "TICKET_DEPRECATED"}, "TICKET_DEPRECATED"),
+    ({"prim": "READ_TICKET"}, "READ_TICKET"),
+    ({"prim": "SPLIT_TICKET"}, "SPLIT_TICKET"),
+    ({"prim": "JOIN_TICKETS"}, "JOIN_TICKETS"),
+    ({"prim": "OPEN_CHEST"}, "OPEN_CHEST"),
+    ({"prim": "EMIT", 'args': [{"prim": "unit"}]}, "EMIT"),
+    ({"prim": "EMIT"}, "EMIT-not-type"),
+    ({"prim": "BYTES"}, "BYTES"),
+    ({"prim": "NAT"}, "NAT"),
+
+    # Type
+    ({"prim": "bool"}, "bool"),
+    ({"prim": "contract", 'args': [{"prim": "unit"}]}, "contract"),
+    ({"prim": "int"}, "int"),
+    ({"prim": "key"}, "key"),
+    ({"prim": "key_hash"}, "key_hash"),
+    ({"prim": "lambda", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "lambda"),
+    ({"prim": "list", 'args': [{"prim": "unit"}]}, "list"),
+    ({"prim": "map", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "map"),
+    ({"prim": "big_map", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "big_map"),
+    ({"prim": "nat"}, "nat"),
+    ({"prim": "option", 'args': [{"prim": "unit"}]}, "option"),
+    ({"prim": "or", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "or"),
+    ({"prim": "pair", 'args': [{"prim": "unit"}, {"prim": "unit"}]}, "pair"),
+    ({"prim": "pair", 'args': [{"prim": "unit"}, {"prim": "unit"}, {"prim": "unit"}, {"prim": "unit"}]}, "long-pair"),
+    ({"prim": "set", 'args': [{"prim": "unit"}]}, "set"),
+    ({"prim": "signature"}, "signature"),
+    ({"prim": "string"}, "string"),
+    ({"prim": "bytes"}, "bytes"),
+    ({"prim": "mutez"}, "mutez"),
+    ({"prim": "timestamp"}, "timestamp"),
+    ({"prim": "unit"}, "unit"),
+    ({"prim": "operation"}, "operation"),
+    ({"prim": "address"}, "address"),
+    ({"prim": "tx_rollup_l2_address"}, "tx_rollup_l2_address"),  # deprecated
+    ({"prim": "sapling_transaction", 'args': [{"int": 0}]}, "sapling_transaction"),
+    ({"prim": "sapling_transaction", 'args': [{"int": 0XFFFF}]}, "sapling_transaction-max-memo-size"),
+    ({"prim": "sapling_transaction_deprecated", 'args': [{"int": 0XFFFF}]}, "sapling_transaction_deprecated"),
+    ({"prim": "sapling_state", 'args': [{"int": 0}]}, "sapling_state"),
+    ({"prim": "chain_id"}, "chain_id"),
+    ({"prim": "never"}, "never"),
+    ({"prim": "bls12_381_g1"}, "bls12_381_g1"),
+    ({"prim": "bls12_381_g2"}, "bls12_381_g2"),
+    ({"prim": "bls12_381_fr"}, "bls12_381_fr"),
+    ({"prim": "ticket", 'args': [{"prim": "unit"}]}, "ticket"),
+    ({"prim": "chest_key"}, "chest_key"),
+    ({"prim": "chest"}, "chest"),
+
+    # Constant
+    ({"prim": "constant", 'args': [{"string": Default.SCRIPT_EXPR_HASH}]}, "constant"),
+]
+
+
+def _param(micheline: Micheline, name: str, category: str) -> ParameterSet:
+    return pytest.param(micheline, id=f'{category}-{name}')
+
+
+def _params(cases: List[Tuple[Micheline, str]], category: str) -> List[ParameterSet]:
+    return [_param(*case_, category) for case_ in cases]
+
+
+def _all_params(cases: List[Tuple[List[Tuple[Micheline, str]], str]]) -> List[ParameterSet]:
+    return sum([_params(*cases_) for cases_ in cases], [])
+
+
+@pytest.mark.parametrize(
+    "micheline", _all_params([
+        (sequence_cases, "sequence"),
+        (int_cases, "int"),
+        (bytes_cases, "bytes"),
+        (string_cases, "string"),
+        (prim_cases, "prim"),
+    ])
+)
+def test_sign_micheline(
+        tezos_navigator: TezosNavigator,
+        account: Account,
+        snapshot_dir: Path,
+        micheline: Micheline):
+    """Check signing micheline"""
+
+    message = MichelineExpr(micheline)
+
+    data = tezos_navigator.sign(
+        account,
+        message,
+        with_hash=False,
+        snap_path=snapshot_dir
+    )
+
+    account.check_signature(
+        message=message,
+        with_hash=False,
+        data=data)
diff --git a/tests/integration/nano/test_sign/test_apdu_sign.py b/tests/integration/nano/test_sign/test_apdu_sign.py
index 7ce294e13..fe89f319e 100644
--- a/tests/integration/nano/test_sign/test_apdu_sign.py
+++ b/tests/integration/nano/test_sign/test_apdu_sign.py
@@ -18,6 +18,8 @@
 
 from pathlib import Path
 
+import pytest
+
 from conftest import requires_device
 from utils.account import Account
 from utils.backend import StatusCode, TezosBackend
@@ -25,22 +27,23 @@
 from utils.navigator import send_and_navigate, ScreenText, TezosNavigator
 
 
-def test_sign_micheline_without_hash(tezos_navigator: TezosNavigator, account: Account, snapshot_dir: Path):
-    """Check signing micheline wihout getting hash"""
+@pytest.mark.parametrize("with_hash", [True, False])
+def test_sign(tezos_navigator: TezosNavigator, account: Account, with_hash: bool):
+    """Check signing with or wihout getting hash"""
 
-    message = MichelineExpr([{'string': 'CACA'}, {'string': 'POPO'}, {'string': 'BOUDIN'}])
+    message = Transaction()
 
     data = tezos_navigator.sign(
         account,
         message,
-        with_hash=False,
-        snap_path=snapshot_dir
+        with_hash=with_hash
     )
 
     account.check_signature(
         message=message,
-        with_hash=False,
-        data=data)
+        with_hash=with_hash,
+        data=data
+    )
 
 def test_reject_operation(
         tezos_navigator: TezosNavigator,