diff --git a/impls/monero.dart/lib/src/checksum_monero.dart b/impls/monero.dart/lib/src/checksum_monero.dart
index b94fb5a3..10925332 100644
--- a/impls/monero.dart/lib/src/checksum_monero.dart
+++ b/impls/monero.dart/lib/src/checksum_monero.dart
@@ -1,4 +1,4 @@
 // ignore_for_file: constant_identifier_names
 const String wallet2_api_c_h_sha256 = "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b";
 const String wallet2_api_c_cpp_sha256 = "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
-const String wallet2_api_c_exp_sha256 = "c8913ac41068f67b57c9b0a3c7dd8973e3c1273b66c2ff0aadb0003931da748c";
+const String wallet2_api_c_exp_sha256 = "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522";
diff --git a/impls/monero.ts/checksum_monero.ts b/impls/monero.ts/checksum_monero.ts
index d421d014..b8e57cbf 100644
--- a/impls/monero.ts/checksum_monero.ts
+++ b/impls/monero.ts/checksum_monero.ts
@@ -1,5 +1,5 @@
 export const moneroChecksum = {
     wallet2_api_c_h_sha256: "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b",
     wallet2_api_c_cpp_sha256: "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd",
-    wallet2_api_c_exp_sha256: "c8913ac41068f67b57c9b0a3c7dd8973e3c1273b66c2ff0aadb0003931da748c",
+    wallet2_api_c_exp_sha256: "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522",
 }
diff --git a/monero_libwallet2_api_c/monero_libwallet2_api_c.exp b/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
index e4684563..3b2931c1 100644
--- a/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
+++ b/monero_libwallet2_api_c/monero_libwallet2_api_c.exp
@@ -273,6 +273,7 @@ _MONERO_WalletManager_createWalletFromPolyseed
 _MONERO_WalletManager_closeWallet
 _MONERO_WalletManager_walletExists
 _MONERO_WalletManager_verifyWalletPassword
+_MONERO_WalletManager_queryWalletDevice
 _MONERO_WalletManager_findWallets
 _MONERO_WalletManager_errorString
 _MONERO_WalletManager_setDaemonAddress
@@ -306,4 +307,4 @@ _MONERO_cw_WalletListener_height
 _MONERO_free
 _MONERO_checksum_wallet2_api_c_h
 _MONERO_checksum_wallet2_api_c_cpp
-_MONERO_checksum_wallet2_api_c_exp
\ No newline at end of file
+_MONERO_checksum_wallet2_api_c_exp
diff --git a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
index 5a9d56e8..4d3d39f1 100644
--- a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
+++ b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
@@ -2,5 +2,5 @@
 #define MONEROC_CHECKSUMS
 const char * MONERO_wallet2_api_c_h_sha256 = "198a27486ce4f014b737f52ec2879a90838c3b3ca088de8dc7d55b79a10f4a5b";
 const char * MONERO_wallet2_api_c_cpp_sha256 = "22b0c9dd542fb55edfe9e17da67e97ddf5f80bcdd3e126e1bd64cce54234bde1-b089f9ee69924882c5d14dd1a6991deb05d9d1cd";
-const char * MONERO_wallet2_api_c_exp_sha256 = "c8913ac41068f67b57c9b0a3c7dd8973e3c1273b66c2ff0aadb0003931da748c";
+const char * MONERO_wallet2_api_c_exp_sha256 = "c1f785d62709fd8b849063ecf4fe8854d9e3b05b568b9716de98d33e7bdaf522";
 #endif
diff --git a/patches/monero/0008-add-dummy-device-for-ledger.patch b/patches/monero/0008-add-dummy-device-for-ledger.patch
index 4ee14093..edca0773 100644
--- a/patches/monero/0008-add-dummy-device-for-ledger.patch
+++ b/patches/monero/0008-add-dummy-device-for-ledger.patch
@@ -234,13 +234,13 @@ index 000000000..fb082694e
 +            MDEBUG("exchange(): waitsForDeviceSend");
 +            // NOTE: waitsForDeviceSend should be changed by external code
 +            while (waitsForDeviceSend) {
-+                sleep(1);
++                usleep(1000);
 +                MDEBUG("exchange(): waitsForDeviceSend (still)");
 +            }
 +
 +            MDEBUG("exchange(): waitsForDeviceReceive");
 +            while (waitsForDeviceReceive) {
-+                sleep(1);
++                usleep(1000);
 +                MDEBUG("exchange(): waitsForDeviceReceive (still)");
 +            }
 +