diff --git a/client/CHANGELOG.md b/client/CHANGELOG.md
index b20c1b4..b67daf0 100644
--- a/client/CHANGELOG.md
+++ b/client/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.1] - 2024-04-05
+
+### Added
+
+- Add new function `send_raw`, allowing to send a raw payload APDU
+- Add new error code definition
+
 ## [0.4.0] - 2024-04-03
 
 ### Added
diff --git a/client/src/ledger_app_clients/ethereum/__init__.py b/client/src/ledger_app_clients/ethereum/__init__.py
index ce05207..1f628c4 100644
--- a/client/src/ledger_app_clients/ethereum/__init__.py
+++ b/client/src/ledger_app_clients/ethereum/__init__.py
@@ -1,4 +1,4 @@
 try:
-    from ledger_app_clients.ethereum.__version__ import __version__  # noqa
+    from __version__ import __version__  # noqa
 except ImportError:
     __version__ = "unknown version"  # noqa
diff --git a/client/src/ledger_app_clients/ethereum/client.py b/client/src/ledger_app_clients/ethereum/client.py
index 3e1feaa..52dc06f 100644
--- a/client/src/ledger_app_clients/ethereum/client.py
+++ b/client/src/ledger_app_clients/ethereum/client.py
@@ -21,6 +21,7 @@ class StatusWord(IntEnum):
     INVALID_P1_P2 = 0x6b00
     CONDITION_NOT_SATISFIED = 0x6985
     REF_DATA_NOT_FOUND = 0x6a88
+    EXCEPTION_OVERFLOW = 0x6807
 
 
 class DomainNameTag(IntEnum):
@@ -49,6 +50,15 @@ class EthAppClient:
     def response(self) -> Optional[RAPDU]:
         return self._client.last_async_response
 
+    def send_raw(self, cla: int, ins: int, p1: int, p2: int, payload: bytes):
+        header = bytearray()
+        header.append(cla)
+        header.append(ins)
+        header.append(p1)
+        header.append(p2)
+        header.append(len(payload))
+        return self._exchange(header + payload)
+
     def eip712_send_struct_def_struct_name(self, name: str):
         return self._exchange_async(self._cmd_builder.eip712_send_struct_def_struct_name(name))
 
@@ -131,6 +141,12 @@ class EthAppClient:
                                                                       bip32_path,
                                                                       chain_id))
 
+    def get_eth2_public_addr(self,
+                             display: bool = True,
+                             bip32_path: str = "m/12381/3600/0/0"):
+        return self._exchange_async(self._cmd_builder.get_eth2_public_addr(display,
+                                                                           bip32_path))
+
     def provide_domain_name(self, challenge: int, name: str, addr: bytes) -> RAPDU:
         payload = format_tlv(DomainNameTag.STRUCTURE_TYPE, 3)  # TrustedDomainName
         payload += format_tlv(DomainNameTag.STRUCTURE_VERSION, 1)
diff --git a/client/src/ledger_app_clients/ethereum/command_builder.py b/client/src/ledger_app_clients/ethereum/command_builder.py
index 0ba0809..9c60a6a 100644
--- a/client/src/ledger_app_clients/ethereum/command_builder.py
+++ b/client/src/ledger_app_clients/ethereum/command_builder.py
@@ -11,6 +11,7 @@ from .eip712 import EIP712FieldType
 
 class InsType(IntEnum):
     GET_PUBLIC_ADDR = 0x02
+    GET_ETH2_PUBLIC_ADDR = 0x0e
     SIGN = 0x04
     PERSONAL_SIGN = 0x08
     PROVIDE_ERC20_TOKEN_INFORMATION = 0x0a
@@ -250,6 +251,15 @@ class CommandBuilder:
                                int(chaincode),
                                payload)
 
+    def get_eth2_public_addr(self,
+                             display: bool,
+                             bip32_path: str) -> bytes:
+        payload = pack_derivation_path(bip32_path)
+        return self._serialize(InsType.GET_ETH2_PUBLIC_ADDR,
+                               int(display),
+                               0x00,
+                               payload)
+
     def set_plugin(self,
                    type_: int,
                    version: int,
diff --git a/client/src/ledger_app_clients/ethereum/eip712/InputData.py b/client/src/ledger_app_clients/ethereum/eip712/InputData.py
index a19ccf3..e10bb24 100644
--- a/client/src/ledger_app_clients/ethereum/eip712/InputData.py
+++ b/client/src/ledger_app_clients/ethereum/eip712/InputData.py
@@ -6,8 +6,8 @@ import sys
 import copy
 from typing import Any, Callable, Optional
 
-from ledger_app_clients.ethereum import keychain
-from ledger_app_clients.ethereum.client import EthAppClient, EIP712FieldType
+from client import keychain
+from client.client import EthAppClient, EIP712FieldType
 
 
 # global variables