diff --git a/app/src/apdu_handler.c b/app/src/apdu_handler.c
index 86a9c30..131625b 100644
--- a/app/src/apdu_handler.c
+++ b/app/src/apdu_handler.c
@@ -271,6 +271,14 @@ void handleApdu(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx) {
                         handleSignEth(flags, tx, rx);
                         break;
                     }
+                    case INS_SIGN_PERSONAL_MESSAGE: {
+                        CHECK_PIN_VALIDATED()
+                        if (cla != CLA_ETH) {
+                            THROW(APDU_CODE_COMMAND_NOT_ALLOWED);
+                        }
+                        handleSignEip191(flags, tx, rx);
+                        break;
+                    }
                     default:
                         THROW(APDU_CODE_INS_NOT_SUPPORTED);
                 }
diff --git a/app/src/common/actions.h b/app/src/common/actions.h
index a3ea670..d18c41a 100644
--- a/app/src/common/actions.h
+++ b/app/src/common/actions.h
@@ -22,6 +22,7 @@
 #include "coin.h"
 #include "crypto.h"
 #include "crypto_eth.h"
+#include "eth_eip191.h"
 #include "tx.h"
 #include "zxerror.h"
 
@@ -93,7 +94,7 @@ __Z_INLINE void app_sign_eth() {
     uint16_t replyLen = 0;
 
     MEMZERO(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE);
-    zxerr_t err = crypto_sign_eth(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE - 3, message, messageLength, &replyLen);
+    zxerr_t err = crypto_sign_eth(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE - 3, message, messageLength, &replyLen, false);
 
     if (err != zxerr_ok || replyLen == 0) {
         set_code(G_io_apdu_buffer, 0, APDU_CODE_SIGN_VERIFY_ERROR);
@@ -104,6 +105,25 @@ __Z_INLINE void app_sign_eth() {
     }
 }
 
+__Z_INLINE void app_sign_eip191() {
+    const uint8_t *message = tx_get_buffer();
+    const uint16_t messageLength = tx_get_buffer_length();
+    uint16_t replyLen = 0;
+    uint8_t hash[32] = {0};
+    MEMZERO(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE);
+    zxerr_t err = eip191_hash_message(message, messageLength, hash);
+    if (err == zxerr_ok) {
+        err = crypto_sign_eth(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE - 3, hash, 32, &replyLen, true);
+    }
+    if (err != zxerr_ok || replyLen == 0) {
+        set_code(G_io_apdu_buffer, 0, APDU_CODE_SIGN_VERIFY_ERROR);
+        io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, 2);
+    } else {
+        set_code(G_io_apdu_buffer, replyLen, APDU_CODE_OK);
+        io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, replyLen + 2);
+    }
+}
+
 __Z_INLINE void app_reject() {
     MEMZERO(G_io_apdu_buffer, IO_APDU_BUFFER_SIZE);
     set_code(G_io_apdu_buffer, 0, APDU_CODE_COMMAND_NOT_ALLOWED);
diff --git a/app/src/evm/apdu_handler_eth.c b/app/src/evm/apdu_handler_eth.c
index 75b5c0d..d670004 100644
--- a/app/src/evm/apdu_handler_eth.c
+++ b/app/src/evm/apdu_handler_eth.c
@@ -21,6 +21,7 @@
 #include "coin_eth.h"
 #include "crypto_eth.h"
 #include "eth_addr.h"
+#include "eth_eip191.h"
 #include "eth_utils.h"
 #include "tx_eth.h"
 #include "view.h"
@@ -59,6 +60,67 @@ void extract_eth_path(uint32_t rx, uint32_t offset) {
     hdPathEth_len = path_len;
 }
 
+uint32_t bytes_to_read;
+bool process_chunk_eip191(__Z_UNUSED volatile uint32_t *tx, uint32_t rx) {
+    const uint8_t payloadType = G_io_apdu_buffer[OFFSET_PAYLOAD_TYPE];
+    if (G_io_apdu_buffer[OFFSET_P2] != 0) {
+        THROW(APDU_CODE_INVALIDP1P2);
+    }
+    if (rx < OFFSET_DATA) {
+        THROW(APDU_CODE_WRONG_LENGTH);
+    }
+    uint8_t *data = &(G_io_apdu_buffer[OFFSET_DATA]);
+    uint32_t len = rx - OFFSET_DATA;
+    uint64_t added;
+    switch (payloadType) {
+        case P1_ETH_FIRST:
+            tx_initialize();
+            tx_reset();
+            extract_eth_path(rx, OFFSET_DATA);
+            // there is not warranties that the first chunk
+            // contains the serialized path only;
+            // so we need to offset the data to point to the first transaction
+            // byte
+            uint32_t path_len = sizeof(uint32_t) * hdPathEth_len;
+            // plus the first offset data containing the path len
+            data += path_len + 1;
+            if (len < path_len) {
+                THROW(APDU_CODE_WRONG_LENGTH);
+            }
+            len -= path_len + 1;
+            // now process the chunk
+            bytes_to_read = U4BE(data, 0);
+            bytes_to_read -= len - sizeof(uint32_t);
+            added = tx_append(data, len);
+            if (added != len) {
+                THROW(APDU_CODE_OUTPUT_BUFFER_TOO_SMALL);
+            }
+            tx_initialized = true;
+            if (bytes_to_read == 0) {
+                tx_initialized = false;
+                return true;
+            }
+            return false;
+        case P1_ETH_MORE:
+            if (!tx_initialized) {
+                THROW(APDU_CODE_TX_NOT_INITIALIZED);
+            }
+            // either the entire buffer of the remaining bytes we expect
+            bytes_to_read -= len;
+            added = tx_append(data, len);
+            if (added != len) {
+                THROW(APDU_CODE_OUTPUT_BUFFER_TOO_SMALL);
+            }
+            // check if this chunk was the last one
+            if (bytes_to_read == 0) {
+                tx_initialized = false;
+                return true;
+            }
+            return false;
+    }
+    THROW(APDU_CODE_INVALIDP1P2);
+}
+
 bool process_chunk_eth(__Z_UNUSED volatile uint32_t *tx, uint32_t rx) {
     const uint8_t payloadType = G_io_apdu_buffer[OFFSET_PAYLOAD_TYPE];
 
@@ -209,3 +271,21 @@ void handleSignEth(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx)
     view_review_show(REVIEW_TXN);
     *flags |= IO_ASYNCH_REPLY;
 }
+
+void handleSignEip191(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx) {
+    zemu_log_stack("handleSignEip191");
+    if (!process_chunk_eip191(tx, rx)) {
+        THROW(APDU_CODE_OK);
+    }
+    CHECK_APP_CANARY()
+    parser_error_t err = eip191_msg_parse();
+    if (err == parser_blindsign_required) {
+        *flags |= IO_ASYNCH_REPLY;
+        view_blindsign_error_show();
+        THROW(APDU_CODE_DATA_INVALID);
+    }
+    CHECK_APP_CANARY()
+    view_review_init(eip191_msg_getItem, eip191_msg_getNumItems, app_sign_eip191);
+    view_review_show(REVIEW_TXN);
+    *flags |= IO_ASYNCH_REPLY;
+}
diff --git a/app/src/evm/apdu_handler_eth.h b/app/src/evm/apdu_handler_eth.h
index f9c52fc..110bbd6 100644
--- a/app/src/evm/apdu_handler_eth.h
+++ b/app/src/evm/apdu_handler_eth.h
@@ -22,7 +22,7 @@ extern "C" {
 
 void handleGetAddrEth(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx);
 void handleSignEth(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx);
-
+void handleSignEip191(volatile uint32_t *flags, volatile uint32_t *tx, uint32_t rx);
 #ifdef __cplusplus
 }
 #endif
diff --git a/app/src/evm/coin_eth.h b/app/src/evm/coin_eth.h
index b9d07a0..b9abd3e 100644
--- a/app/src/evm/coin_eth.h
+++ b/app/src/evm/coin_eth.h
@@ -43,6 +43,7 @@ extern "C" {
 
 #define INS_SIGN_ETH 0x04
 #define INS_GET_ADDR_ETH 0x02
+#define INS_SIGN_PERSONAL_MESSAGE 0x08
 
 #define VIEW_ADDRESS_OFFSET_ETH (SECP256K1_PK_LEN + 1 + 1)
 
diff --git a/app/src/evm/crypto_eth.c b/app/src/evm/crypto_eth.c
index cbff6cc..5fb2a2e 100644
--- a/app/src/evm/crypto_eth.c
+++ b/app/src/evm/crypto_eth.c
@@ -139,13 +139,17 @@ zxerr_t _sign(uint8_t *output, uint16_t outputLen, const uint8_t *message, uint1
 
 // Sign an ethereum related transaction
 zxerr_t crypto_sign_eth(uint8_t *buffer, uint16_t signatureMaxlen, const uint8_t *message, uint16_t messageLen,
-                        uint16_t *sigSize) {
+                        uint16_t *sigSize, bool personal_msg) {
     if (buffer == NULL || message == NULL || sigSize == NULL || signatureMaxlen < sizeof(signature_t)) {
         return zxerr_invalid_crypto_settings;
     }
 
     uint8_t message_digest[KECCAK_256_SIZE] = {0};
-    CHECK_ZXERR(keccak_digest(message, messageLen, message_digest, KECCAK_256_SIZE))
+    if (!personal_msg) {
+        CHECK_ZXERR(keccak_digest(message, messageLen, message_digest, KECCAK_256_SIZE))
+    } else {
+        MEMCPY(message_digest, message, messageLen);
+    }
 
     unsigned int info = 0;
     zxerr_t error = _sign(buffer, signatureMaxlen, message_digest, KECCAK_256_SIZE, sigSize, &info);
@@ -155,7 +159,7 @@ zxerr_t crypto_sign_eth(uint8_t *buffer, uint16_t signatureMaxlen, const uint8_t
 
     // we need to fix V
     uint8_t v = 0;
-    error = tx_compute_eth_v(info, &v);
+    error = tx_compute_eth_v(info, &v, personal_msg);
 
     if (error != zxerr_ok) return zxerr_invalid_crypto_settings;
 
diff --git a/app/src/evm/crypto_eth.h b/app/src/evm/crypto_eth.h
index 06a2fb9..03321df 100644
--- a/app/src/evm/crypto_eth.h
+++ b/app/src/evm/crypto_eth.h
@@ -31,7 +31,7 @@ extern uint32_t hdPathEth_len;
 extern uint8_t flr_chain_code;
 zxerr_t crypto_fillEthAddress(uint8_t *buffer, uint16_t buffer_len, uint16_t *addrLen);
 zxerr_t crypto_sign_eth(uint8_t *buffer, uint16_t signatureMaxlen, const uint8_t *message, uint16_t messageLen,
-                        uint16_t *sigSize);
+                        uint16_t *sigSize, bool personal_msg);
 zxerr_t keccak_digest(const unsigned char *in, unsigned int inLen, unsigned char *out, unsigned int outLen);
 
 #ifdef __cplusplus
diff --git a/app/src/evm/eth_eip191.c b/app/src/evm/eth_eip191.c
new file mode 100644
index 0000000..98886ae
--- /dev/null
+++ b/app/src/evm/eth_eip191.c
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ *  (c) 2018 - 2024 Zondax AG
+ *
+ *  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.
+ ********************************************************************************/
+#include "eth_eip191.h"
+
+#include "actions.h"
+#include "apdu_handler_eth.h"
+#include "app_main.h"
+#include "app_mode.h"
+#include "coin_eth.h"
+#include "parser_common.h"
+#include "zxformat.h"
+#include "zxmacros.h"
+#if defined(LEDGER_SPECIFIC)
+#include "cx.h"
+#else
+#define CX_SHA256_SIZE 32
+#define CX_RIPEMD160_SIZE 20
+#endif
+static const char SIGN_MAGIC[] =
+    "\x19"
+    "Ethereum Signed Message:\n";
+zxerr_t eip191_msg_getNumItems(uint8_t *num_items) {
+    zemu_log_stack("msg_getNumItems");
+    *num_items = 2;
+    return zxerr_ok;
+}
+zxerr_t eip191_msg_getItem(int8_t displayIdx, char *outKey, uint16_t outKeyLen, char *outVal, uint16_t outValLen,
+                           uint8_t pageIdx, uint8_t *pageCount) {
+    ZEMU_LOGF(200, "[msg_getItem] %d/%d\n", displayIdx, pageIdx)
+    MEMZERO(outKey, outKeyLen);
+    MEMZERO(outVal, outValLen);
+    snprintf(outKey, outKeyLen, "?");
+    snprintf(outVal, outValLen, " ");
+    *pageCount = 1;
+    const uint8_t *message = tx_get_buffer() + sizeof(uint32_t);
+    const uint16_t messageLength = tx_get_buffer_length() - sizeof(uint32_t);
+    switch (displayIdx) {
+        case 0: {
+            snprintf(outKey, outKeyLen, "Sign");
+            snprintf(outVal, outValLen, "Personal Message");
+            return zxerr_ok;
+        }
+        case 1: {
+            snprintf(outKey, outKeyLen, "Msg hex");
+            uint16_t npc = 0;  // Non Printable Chars Counter
+            for (uint16_t i = 0; i < messageLength; i++) {
+                npc += IS_PRINTABLE(message[i]) ? 0 /* Printable Char */ : 1 /* Non Printable Char */;
+            }
+            // msg in hex in case >= than 40% is non printable
+            // or first char is not printable.
+            if (messageLength > 0 && (npc * 100) / messageLength >= 40) {
+                pageStringHex(outVal, outValLen, (const char *)message, messageLength, pageIdx, pageCount);
+                return zxerr_ok;
+            }
+            // print message
+            snprintf(outKey, outKeyLen, "Msg");
+            pageString(outVal, outValLen, (const char *)message, pageIdx, pageCount);
+            return zxerr_ok;
+        }
+        default:
+            return zxerr_no_data;
+    }
+    return zxerr_ok;
+}
+parser_error_t eip191_msg_parse() {
+    const uint8_t *message = tx_get_buffer() + sizeof(uint32_t);
+    const uint16_t messageLength = tx_get_buffer_length() - sizeof(uint32_t);
+    uint16_t npc = 0;  // Non Printable Chars Counter
+    for (uint16_t i = 0; i < messageLength; i++) {
+        npc += IS_PRINTABLE(message[i]) ? 0 /* Printable Char */ : 1 /* Non Printable Char */;
+    }
+    // msg in hex in case >= than 40% is non printable
+    // or first char is not printable.
+    if (messageLength > 0 && (npc * 100) / messageLength >= 40 && !app_mode_blindsign()) {
+        return parser_blindsign_required;
+    } else if (messageLength > 0 && (npc * 100) / messageLength < 40) {
+        app_mode_skip_blindsign_ui();
+    }
+
+    return parser_ok;
+}
+zxerr_t eip191_hash_message(const uint8_t *message, uint16_t messageLen, uint8_t *hash) {
+    zemu_log_stack("eip191_hash_message");
+    if (message == NULL || messageLen == 0) {
+        return zxerr_unknown;
+    }
+    MEMZERO(hash, 32);
+#if defined(LEDGER_SPECIFIC)
+    cx_sha3_t sha3;
+    CHECK_CX_OK(cx_keccak_init_no_throw(&sha3, 256));
+    CHECK_CX_OK(cx_hash_no_throw((cx_hash_t *)&sha3, 0, (uint8_t *)SIGN_MAGIC, sizeof(SIGN_MAGIC) - 1, NULL, 0));
+    uint32_t msg_len = U4BE(message, 0);
+    char len_str[12] = {0};
+    uint32_to_str(len_str, sizeof(len_str), msg_len);
+    CHECK_CX_OK(cx_hash_no_throw((cx_hash_t *)&sha3, 0, (uint8_t *)len_str, strlen(len_str), NULL, 0));
+    CHECK_CX_OK(
+        cx_hash_no_throw((cx_hash_t *)&sha3, CX_LAST, message + sizeof(uint32_t), messageLen - sizeof(uint32_t), hash, 32));
+#endif
+    zemu_log_stack("eip191_hash_message done");
+    return zxerr_ok;
+}
diff --git a/app/src/evm/eth_eip191.h b/app/src/evm/eth_eip191.h
new file mode 100644
index 0000000..a11cfcd
--- /dev/null
+++ b/app/src/evm/eth_eip191.h
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ *  (c) 2018 - 2024 Zondax AG
+ *
+ *  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.
+ ********************************************************************************/
+#pragma once
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "coin_eth.h"
+#include "parser_common.h"
+#include "zxerror.h"
+#include "zxmacros.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+parser_error_t eip191_msg_parse();
+zxerr_t eip191_msg_getNumItems(uint8_t *num_items);
+zxerr_t eip191_msg_getItem(int8_t displayIdx, char *outKey, uint16_t outKeyLen, char *outVal, uint16_t outValLen,
+                           uint8_t pageIdx, uint8_t *pageCount);
+zxerr_t eip191_hash_message(const uint8_t *message, uint16_t messageLen, uint8_t *hash);
+#ifdef __cplusplus
+}
+#endif
diff --git a/app/src/evm/parser_eth.c b/app/src/evm/parser_eth.c
index 5e7e43f..722c3c3 100644
--- a/app/src/evm/parser_eth.c
+++ b/app/src/evm/parser_eth.c
@@ -69,6 +69,6 @@ parser_error_t parser_getItemEth(const parser_context_t *ctx, uint8_t displayIdx
     return _getItemEth(ctx, displayIdx, outKey, outKeyLen, outVal, outValLen, pageIdx, pageCount);
 }
 
-parser_error_t parser_compute_eth_v(parser_context_t *ctx, unsigned int info, uint8_t *v) {
-    return _computeV(ctx, &eth_tx_obj, info, v);
+parser_error_t parser_compute_eth_v(parser_context_t *ctx, unsigned int info, uint8_t *v, bool personal_msg) {
+    return _computeV(ctx, &eth_tx_obj, info, v, personal_msg);
 }
diff --git a/app/src/evm/parser_eth.h b/app/src/evm/parser_eth.h
index 0e3dd76..23392cf 100644
--- a/app/src/evm/parser_eth.h
+++ b/app/src/evm/parser_eth.h
@@ -19,6 +19,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+#include <stdbool.h>
 
 #include "parser_impl.h"
 
@@ -38,7 +39,7 @@ parser_error_t parser_getNumItemsEth(const parser_context_t *ctx, uint8_t *num_i
 parser_error_t parser_getItemEth(const parser_context_t *ctx, uint8_t displayIdx, char *outKey, uint16_t outKeyLen,
                                  char *outVal, uint16_t outValLen, uint8_t pageIdx, uint8_t *pageCount);
 
-parser_error_t parser_compute_eth_v(parser_context_t *ctx, unsigned int info, uint8_t *v);
+parser_error_t parser_compute_eth_v(parser_context_t *ctx, unsigned int info, uint8_t *v, bool personal_msg);
 #ifdef __cplusplus
 }
 #endif
diff --git a/app/src/evm/parser_impl_eth.c b/app/src/evm/parser_impl_eth.c
index abfebae..5d2b8af 100644
--- a/app/src/evm/parser_impl_eth.c
+++ b/app/src/evm/parser_impl_eth.c
@@ -37,6 +37,8 @@ eth_tx_t eth_tx_obj;
 #define DATA_BYTES_TO_PRINT 10
 #define TMP_DATA_ARRAY_SIZE 40
 #define ERC20_TRANSFER_OFFSET 4 + 12
+#define ETHEREUM_RECOVERY_OFFSET 27
+#define EIP155_V_BASE 35
 
 static parser_error_t readChainID(parser_context_t *ctx, rlp_t *chainId) {
     if (ctx == NULL || chainId == NULL) {
@@ -478,14 +480,20 @@ parser_error_t _getNumItemsEth(uint8_t *numItems) {
     return parser_ok;
 }
 
-parser_error_t _computeV(parser_context_t *ctx, eth_tx_t *tx_obj, unsigned int info, uint8_t *v) {
+parser_error_t _computeV(parser_context_t *ctx, eth_tx_t *tx_obj, unsigned int info, uint8_t *v, bool personal_msg) {
     if (ctx == NULL || tx_obj == NULL || v == NULL) {
         return parser_unexpected_error;
     }
 
-    uint8_t type = eth_tx_obj.tx_type;
     uint8_t parity = (info & CX_ECCINFO_PARITY_ODD) == 1;
 
+    /// No chain id in the transaction use ETHEREUM_RECOVERY_OFFSET
+    if (personal_msg) {
+        *v = ETHEREUM_RECOVERY_OFFSET + parity;
+        return parser_ok;
+    }
+
+    uint8_t type = eth_tx_obj.tx_type;
     if (type == eip2930 || type == eip1559) {
         *v = parity;
         return parser_ok;
@@ -500,7 +508,7 @@ parser_error_t _computeV(parser_context_t *ctx, eth_tx_t *tx_obj, unsigned int i
         CHECK_ERROR(be_bytes_to_u64(tx_obj->chainId.ptr, tx_obj->chainId.rlpLen, &id));
     }
 
-    uint32_t cv = 35 + parity;
+    uint32_t cv = EIP155_V_BASE + parity;
     cv = saturating_add_u32(cv, (uint32_t)id * 2);
     *v = (uint8_t)cv;
 
diff --git a/app/src/evm/parser_impl_eth.h b/app/src/evm/parser_impl_eth.h
index a24adc8..c97b7c6 100644
--- a/app/src/evm/parser_impl_eth.h
+++ b/app/src/evm/parser_impl_eth.h
@@ -75,7 +75,7 @@ parser_error_t _getNumItemsEth(uint8_t *numItems);
 
 parser_error_t _validateTxEth();
 
-parser_error_t _computeV(parser_context_t *ctx, eth_tx_t *tx_obj, unsigned int info, uint8_t *v);
+parser_error_t _computeV(parser_context_t *ctx, eth_tx_t *tx_obj, unsigned int info, uint8_t *v, bool personal_msg);
 
 #ifdef __cplusplus
 }
diff --git a/app/src/evm/tx_eth.c b/app/src/evm/tx_eth.c
index 911b830..cc3164d 100644
--- a/app/src/evm/tx_eth.c
+++ b/app/src/evm/tx_eth.c
@@ -46,8 +46,8 @@ const char *tx_parse_eth(uint8_t *error_code) {
     return NULL;
 }
 
-zxerr_t tx_compute_eth_v(unsigned int info, uint8_t *v) {
-    parser_error_t err = parser_compute_eth_v(&ctx_parsed_tx, info, v);
+zxerr_t tx_compute_eth_v(unsigned int info, uint8_t *v, bool personal_msg) {
+    parser_error_t err = parser_compute_eth_v(&ctx_parsed_tx, info, v, personal_msg);
 
     if (err != parser_ok) return zxerr_unknown;
 
diff --git a/app/src/evm/tx_eth.h b/app/src/evm/tx_eth.h
index 6d9d323..f8f0092 100644
--- a/app/src/evm/tx_eth.h
+++ b/app/src/evm/tx_eth.h
@@ -31,4 +31,4 @@ zxerr_t tx_getNumItemsEth(uint8_t *num_items);
 zxerr_t tx_getItemEth(int8_t displayIdx, char *outKey, uint16_t outKeyLen, char *outValue, uint16_t outValueLen,
                       uint8_t pageIdx, uint8_t *pageCount);
 
-zxerr_t tx_compute_eth_v(unsigned int info, uint8_t *v);
+zxerr_t tx_compute_eth_v(unsigned int info, uint8_t *v, bool personal_msg);
diff --git a/js b/js
index 1a9b852..0d3d3c6 160000
--- a/js
+++ b/js
@@ -1 +1 @@
-Subproject commit 1a9b8522dcfc3b5abaf1019172341146d2d75885
+Subproject commit 0d3d3c622c9c03c16d4bc906c45aef523c057f71
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diff --git a/tests_zemu/tests/eip191.test.ts b/tests_zemu/tests/eip191.test.ts
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--- /dev/null
+++ b/tests_zemu/tests/eip191.test.ts
@@ -0,0 +1,73 @@
+/** ******************************************************************************
+ *  (c) 2018 - 2024 Zondax AG
+ *
+ *  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.
+ ******************************************************************************* */
+import Zemu, { ButtonKind, isTouchDevice } from '@zondax/zemu'
+import { FlareApp } from '@zondax/ledger-flare'
+import { ETH_PATH, EXPECTED_ETH_ADDRESS, EXPECTED_ETH_PK, defaultOptions, models } from './common'
+import { ec } from 'elliptic'
+jest.setTimeout(90000)
+const sha3 = require('js-sha3')
+const SIGN_TEST_DATA = [
+  {
+    name: 'personal_sign_msg',
+    message: Buffer.from('Hello World!', 'utf8'),
+    blind: false,
+  },
+  {
+    name: 'personal_sign_big_msg',
+    message: Buffer.from('Just a big dummy message to be sign. To test if ew are parsing the chunks in the right way. By: Zondax', 'utf8'),
+    blind: false,
+  },
+  {
+    name: 'personal_sign_non_printable_msg',
+    message: Buffer.from('\x00\x00\x00\x00\x00zx', 'utf8'),
+    blind: true,
+  },
+]
+describe.each(models)('EIP191', function (m) {
+  test.concurrent.each(SIGN_TEST_DATA)('sign transaction:  $name', async function (data) {
+    const sim = new Zemu(m.path)
+    try {
+      await sim.start({ ...defaultOptions, model: m.name })
+      const app = new FlareApp(sim.getTransport())
+      const msgData = data.message
+
+      if (data.blind) {
+        await sim.toggleBlindSigning()
+      }
+      // do not wait here..
+      const signatureRequest = app.signPersonalMessage(ETH_PATH, msgData.toString('hex'))
+      // Wait until we are not in the main menu
+      await sim.waitUntilScreenIsNot(sim.getMainMenuSnapshot())
+      await sim.compareSnapshotsAndApprove('.', `${m.prefix.toLowerCase()}-eth-${data.name}`, true, 0, 1500, data.blind)
+      let resp = await signatureRequest
+      console.log(resp)
+      const header = Buffer.from('\x19Ethereum Signed Message:\n', 'utf8')
+      const msgLengthString = String(msgData.length)
+      const msg = Buffer.concat([header, Buffer.from(msgLengthString, 'utf8'), msgData])
+      const msgHash = sha3.keccak256(msg)
+      const signature_obj = {
+        r: Buffer.from(resp.r, 'hex'),
+        s: Buffer.from(resp.s, 'hex'),
+      }
+      // Verify signature
+      const EC = new ec('secp256k1')
+      const signatureOK = EC.verify(msgHash, signature_obj, Buffer.from(EXPECTED_ETH_PK, 'hex'), 'hex')
+      expect(signatureOK).toEqual(true)
+    } finally {
+      await sim.close()
+    }
+  })
+})