diff --git a/cw_monero/lib/ledger.dart b/cw_monero/lib/ledger.dart
index d931b58d0..19c427b7a 100644
--- a/cw_monero/lib/ledger.dart
+++ b/cw_monero/lib/ledger.dart
@@ -8,6 +8,7 @@ import 'package:ffi/ffi.dart';
 import 'package:ledger_flutter_plus/ledger_flutter_plus.dart';
 import 'package:ledger_flutter_plus/ledger_flutter_plus_dart.dart';
 import 'package:monero/src/wallet2.dart';
+import 'package:monero/src/monero.dart' as api;
 
 LedgerConnection? gLedger;
 
@@ -17,15 +18,15 @@ Timer? _ledgerKeepAlive;
 void enableLedgerExchange(Wallet2Wallet wallet, LedgerConnection connection) {
   _ledgerExchangeTimer?.cancel();
   _ledgerExchangeTimer = Timer.periodic(Duration(milliseconds: 1), (_) async {
-    final ledgerRequestLength = wallet.getSendToDeviceLength();
-    final ledgerRequest = wallet.getSendToDevice()
+    final ledgerRequestLength = api.MoneroWallet.getSendToDeviceLength();
+    final ledgerRequest = api.MoneroWallet.getSendToDevice()
         .cast<Uint8>()
         .asTypedList(ledgerRequestLength);
     if (ledgerRequestLength > 0) {
       _ledgerKeepAlive?.cancel();
 
       final Pointer<Uint8> emptyPointer = malloc<Uint8>(0);
-      wallet.setDeviceSendData(
+      api.MoneroWallet.setDeviceSendData(
           emptyPointer.cast<UnsignedChar>(), 0);
       malloc.free(emptyPointer);
 
@@ -44,8 +45,7 @@ void enableLedgerExchange(Wallet2Wallet wallet, LedgerConnection connection) {
       for (var i = 0; i < response.length; i++) {
         result.asTypedList(response.length)[i] = response[i];
       }
-
-      wallet.setDeviceReceivedData(
+      api.MoneroWallet.setDeviceReceivedData(
           result.cast<UnsignedChar>(), response.length);
       malloc.free(result);
       keepAlive(connection);
diff --git a/cw_monero/pubspec.lock b/cw_monero/pubspec.lock
index 8f94def22..2cd6ae4d6 100644
--- a/cw_monero/pubspec.lock
+++ b/cw_monero/pubspec.lock
@@ -573,8 +573,8 @@ packages:
     dependency: "direct main"
     description:
       path: "impls/monero.dart"
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
-      resolved-ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
+      resolved-ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
       url: "https://github.com/mrcyjanek/monero_c"
     source: git
     version: "0.0.0"
diff --git a/cw_monero/pubspec.yaml b/cw_monero/pubspec.yaml
index 90d0b85ab..a34e86ff0 100644
--- a/cw_monero/pubspec.yaml
+++ b/cw_monero/pubspec.yaml
@@ -27,7 +27,7 @@ dependencies:
   monero:
     git:
       url: https://github.com/mrcyjanek/monero_c
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
       path: impls/monero.dart
   mutex: ^3.1.0
   ledger_flutter_plus: ^1.4.1
diff --git a/cw_wownero/pubspec.lock b/cw_wownero/pubspec.lock
index 3e42905c0..91711105f 100644
--- a/cw_wownero/pubspec.lock
+++ b/cw_wownero/pubspec.lock
@@ -480,8 +480,8 @@ packages:
     dependency: "direct main"
     description:
       path: "impls/monero.dart"
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
-      resolved-ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
+      resolved-ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
       url: "https://github.com/mrcyjanek/monero_c"
     source: git
     version: "0.0.0"
diff --git a/cw_wownero/pubspec.yaml b/cw_wownero/pubspec.yaml
index 7b9ec4c41..8368f8bf8 100644
--- a/cw_wownero/pubspec.yaml
+++ b/cw_wownero/pubspec.yaml
@@ -25,7 +25,7 @@ dependencies:
   monero:
     git:
       url: https://github.com/mrcyjanek/monero_c
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508 # monero_c hash
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2 # monero_c hash
       path: impls/monero.dart
   mutex: ^3.1.0
 
diff --git a/cw_zano/pubspec.lock b/cw_zano/pubspec.lock
index 21a59ed84..1f24c6d07 100644
--- a/cw_zano/pubspec.lock
+++ b/cw_zano/pubspec.lock
@@ -485,8 +485,8 @@ packages:
     dependency: "direct main"
     description:
       path: "impls/monero.dart"
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
-      resolved-ref: b335585a7fb94b315eb52bd88f2da6d3489fa508
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
+      resolved-ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2
       url: "https://github.com/mrcyjanek/monero_c"
     source: git
     version: "0.0.0"
@@ -842,4 +842,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.5.0 <4.0.0"
-  flutter: ">=3.27.4"
+  flutter: ">=3.24.0"
diff --git a/cw_zano/pubspec.yaml b/cw_zano/pubspec.yaml
index ff2c1e9a6..9546aac8d 100644
--- a/cw_zano/pubspec.yaml
+++ b/cw_zano/pubspec.yaml
@@ -26,7 +26,7 @@ dependencies:
   monero:
     git:
       url: https://github.com/mrcyjanek/monero_c
-      ref: b335585a7fb94b315eb52bd88f2da6d3489fa508 # monero_c hash
+      ref: a27fbcb24d91143715ed930a05aaa4d853fba1f2 # monero_c hash
       path: impls/monero.dart
 dev_dependencies:
   flutter_test:
diff --git a/scripts/prepare_moneroc.sh b/scripts/prepare_moneroc.sh
index b49ad2c34..ef29d360f 100755
--- a/scripts/prepare_moneroc.sh
+++ b/scripts/prepare_moneroc.sh
@@ -8,7 +8,7 @@ if [[ ! -d "monero_c/.git" ]];
 then
     git clone https://github.com/mrcyjanek/monero_c --branch master monero_c
     cd monero_c
-    git checkout b335585a7fb94b315eb52bd88f2da6d3489fa508
+    git checkout a27fbcb24d91143715ed930a05aaa4d853fba1f2
     git reset --hard
     git submodule update --init --force --recursive
     ./apply_patches.sh monero