diff --git a/firmware/fsm.c b/firmware/fsm.c
index 264a5d6198..564336fcc2 100644
--- a/firmware/fsm.c
+++ b/firmware/fsm.c
@@ -1160,7 +1160,8 @@ void fsm_msgNEMSignTx(NEMSignTx *msg) {
 		msg->has_provision_namespace +
 		msg->has_mosaic_creation +
 		msg->has_supply_change +
-		msg->has_aggregate_modification;
+		msg->has_aggregate_modification +
+		msg->has_importance_transfer;
 	CHECK_PARAM(provided != 0, _("No transaction provided"));
 	CHECK_PARAM(provided == 1, _("More than one transaction provided"));
 
@@ -1170,6 +1171,7 @@ void fsm_msgNEMSignTx(NEMSignTx *msg) {
 	NEM_CHECK_PARAM_WHEN(msg->has_mosaic_creation, nem_validate_mosaic_creation(&msg->mosaic_creation, msg->transaction.network));
 	NEM_CHECK_PARAM_WHEN(msg->has_supply_change, nem_validate_supply_change(&msg->supply_change));
 	NEM_CHECK_PARAM_WHEN(msg->has_aggregate_modification, nem_validate_aggregate_modification(&msg->aggregate_modification, !msg->has_multisig));
+	NEM_CHECK_PARAM_WHEN(msg->has_importance_transfer, nem_validate_importance_transfer(&msg->importance_transfer));
 
 	bool cosigning = msg->has_cosigning && msg->cosigning;
 	if (msg->has_multisig) {
@@ -1242,6 +1244,12 @@ void fsm_msgNEMSignTx(NEMSignTx *msg) {
 		return;
 	}
 
+	if (msg->has_importance_transfer && !nem_askImportanceTransfer(common, &msg->importance_transfer, network)) {
+		fsm_sendFailure(FailureType_Failure_ActionCancelled, _("Signing cancelled by user"));
+		layoutHome();
+		return;
+	}
+
 	nem_transaction_ctx context;
 	nem_transaction_start(&context, &node->public_key[1], resp->data.bytes, sizeof(resp->data.bytes));
 
@@ -1276,6 +1284,11 @@ void fsm_msgNEMSignTx(NEMSignTx *msg) {
 			return;
 		}
 
+		if (msg->has_importance_transfer && !nem_fsmImportanceTransfer(&inner, &msg->multisig, &msg->importance_transfer)) {
+			layoutHome();
+			return;
+		}
+
 		if (!nem_fsmMultisig(&context, &msg->transaction, &inner, cosigning)) {
 			layoutHome();
 			return;
@@ -1305,6 +1318,11 @@ void fsm_msgNEMSignTx(NEMSignTx *msg) {
 			layoutHome();
 			return;
 		}
+
+		if (msg->has_importance_transfer && !nem_fsmImportanceTransfer(&context, &msg->transaction, &msg->importance_transfer)) {
+			layoutHome();
+			return;
+		}
 	}
 
 	resp->has_data = true;
diff --git a/firmware/nem2.c b/firmware/nem2.c
index 818ff8cc43..d44afba12a 100644
--- a/firmware/nem2.c
+++ b/firmware/nem2.c
@@ -155,6 +155,14 @@ const char *nem_validate_aggregate_modification(const NEMAggregateModification *
 	return NULL;
 }
 
+const char *nem_validate_importance_transfer(const NEMImportanceTransfer *importance_transfer) {
+	if (!importance_transfer->has_mode) return _("No mode provided");
+	if (!importance_transfer->has_public_key) return _("No remote account provided");
+	if (importance_transfer->public_key.size != 32) return _("Invalid remote account provided");
+
+	return NULL;
+}
+
 bool nem_askTransfer(const NEMTransactionCommon *common, const NEMTransfer *transfer, const char *desc) {
 	if (transfer->mosaics_count) {
 		const NEMMosaic *xem = NULL;
@@ -608,6 +616,40 @@ bool nem_fsmAggregateModification(nem_transaction_ctx *context, const NEMTransac
 	return true;
 }
 
+bool nem_askImportanceTransfer(const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer, const char *desc) {
+	layoutDialogSwipe(&bmp_icon_question,
+		_("Cancel"),
+		_("Next"),
+		desc,
+		importance_transfer->mode == NEMImportanceTransferMode_ImportanceTransfer_Activate ? _("Activate remote") : _("Deactivate remote"),
+		_("harvesting?"),
+		NULL,
+		NULL,
+		NULL,
+		NULL);
+	if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
+		return false;
+	}
+
+	layoutNEMNetworkFee(desc, true, _("Confirm network fee"), common->fee, NULL, 0);
+	if (!protectButton(ButtonRequestType_ButtonRequest_SignTx, false)) {
+		return false;
+	}
+
+	return true;
+}
+
+bool nem_fsmImportanceTransfer(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer) {
+	return nem_transaction_create_importance_transfer(context,
+		common->network,
+		common->timestamp,
+		NULL,
+		common->fee,
+		common->deadline,
+		importance_transfer->mode,
+		importance_transfer->public_key.bytes);
+}
+
 bool nem_askMultisig(const char *address, const char *desc, bool cosigning, uint64_t fee) {
 	layoutNEMDialog(&bmp_icon_question,
 		_("Cancel"),
diff --git a/firmware/nem2.h b/firmware/nem2.h
index d539947c21..4639bd0081 100644
--- a/firmware/nem2.h
+++ b/firmware/nem2.h
@@ -34,6 +34,7 @@ const char *nem_validate_provision_namespace(const NEMProvisionNamespace *provis
 const char *nem_validate_mosaic_creation(const NEMMosaicCreation *mosaic_creation, uint8_t network);
 const char *nem_validate_supply_change(const NEMMosaicSupplyChange *supply_change);
 const char *nem_validate_aggregate_modification(const NEMAggregateModification *aggregate_modification, bool creation);
+const char *nem_validate_importance_transfer(const NEMImportanceTransfer *importance_transfer);
 
 bool nem_askTransfer(const NEMTransactionCommon *common, const NEMTransfer *transfer, const char *desc);
 bool nem_fsmTransfer(nem_transaction_ctx *context, const HDNode *node, const NEMTransactionCommon *common, const NEMTransfer *transfer);
@@ -50,6 +51,9 @@ bool nem_fsmSupplyChange(nem_transaction_ctx *context, const NEMTransactionCommo
 bool nem_askAggregateModification(const NEMTransactionCommon *common, const NEMAggregateModification *aggregate_modification, const char *desc, bool creation);
 bool nem_fsmAggregateModification(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMAggregateModification *aggregate_modification);
 
+bool nem_askImportanceTransfer(const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer, const char *desc);
+bool nem_fsmImportanceTransfer(nem_transaction_ctx *context, const NEMTransactionCommon *common, const NEMImportanceTransfer *importance_transfer);
+
 bool nem_askMultisig(const char *address, const char *desc, bool cosigning, uint64_t fee);
 bool nem_fsmMultisig(nem_transaction_ctx *context, const NEMTransactionCommon *common, const nem_transaction_ctx *inner, bool cosigning);
 
diff --git a/firmware/protob/types.options b/firmware/protob/types.options
index 6b7afbb2d7..ce84f0961a 100644
--- a/firmware/protob/types.options
+++ b/firmware/protob/types.options
@@ -70,3 +70,5 @@ NEMMosaicSupplyChange.mosaic		max_size:33
 NEMAggregateModification.modifications	max_count:16
 
 NEMCosignatoryModification.public_key	max_size:32
+
+NEMImportanceTransfer.public_key	max_size:32
diff --git a/vendor/trezor-common b/vendor/trezor-common
index c20bb1c567..b9a2a9c3de 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit c20bb1c567ac0c1ddabf74354f204043eeacad10
+Subproject commit b9a2a9c3defd8a4b84d674116cbae2cf46b6080b
diff --git a/vendor/trezor-crypto b/vendor/trezor-crypto
index 9c91985674..636320da58 160000
--- a/vendor/trezor-crypto
+++ b/vendor/trezor-crypto
@@ -1 +1 @@
-Subproject commit 9c919856747a6a519e5a553cc9b67f1c408337af
+Subproject commit 636320da585ddb5f5c26257cfb724efd34cde50b