diff --git a/tools/mgmt-tester.c b/tools/mgmt-tester.c
index da53e4484..2b87aa818 100644
--- a/tools/mgmt-tester.c
+++ b/tools/mgmt-tester.c
@@ -2690,6 +2690,224 @@ static const struct generic_data load_link_keys_invalid_params_test_3 = {
 };
 
 static const char load_ltks_valid_param_1[] = { 0x00, 0x00 };
+
+static const char load_ltks_valid_param_2[] = {
+	0x01, 0x00,					/* count */
+	0x00, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+};
+
+/* 20 keys at once */
+static const char load_ltks_valid_param_20[] = {
+	0x14, 0x00,					/* count */
+	0x00, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x01, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x02, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x03, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x04, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x05, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x06, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x07, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x08, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x09, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0a, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0b, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0c, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0d, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0e, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x0f, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x10, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x11, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x12, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+
+	0x13, 0x01, 0x02, 0x03, 0x04, 0x05,		/* bdaddr */
+	0x01,						/* addr type */
+	0x00,						/* authenticated */
+	0x00,						/* master */
+	0x00,						/* encryption size */
+	0x00, 0x00,					/* diversifier */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* rand */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (1/2) */
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	/* value (2/2) */
+};
+
 /* Invalid key count */
 static const char load_ltks_invalid_param_1[] = { 0x01, 0x00 };
 /* Invalid addr type */
@@ -2726,6 +2944,35 @@ static const struct generic_data load_ltks_success_test_1 = {
 	.expect_status = MGMT_STATUS_SUCCESS,
 };
 
+static const struct generic_data load_ltks_success_test_2 = {
+	.send_opcode = MGMT_OP_LOAD_LONG_TERM_KEYS,
+	.send_param = load_ltks_valid_param_2,
+	.send_len = sizeof(load_ltks_valid_param_2),
+	.expect_status = MGMT_STATUS_SUCCESS,
+};
+
+static const struct generic_data load_ltks_success_test_3 = {
+	.send_opcode = MGMT_OP_LOAD_LONG_TERM_KEYS,
+	.send_param = load_ltks_valid_param_2,
+	.send_len = sizeof(load_ltks_valid_param_2),
+	.expect_status = MGMT_STATUS_SUCCESS,
+};
+
+static const struct generic_data load_ltks_success_test_4 = {
+	.send_opcode = MGMT_OP_LOAD_LONG_TERM_KEYS,
+	.send_param = load_ltks_valid_param_20,
+	.send_len = sizeof(load_ltks_valid_param_20),
+	.expect_status = MGMT_STATUS_SUCCESS,
+};
+
+static const struct generic_data load_ltks_success_test_5 = {
+	.setup_settings = settings_powered_le,
+	.send_opcode = MGMT_OP_LOAD_LONG_TERM_KEYS,
+	.send_param = load_ltks_valid_param_20,
+	.send_len = sizeof(load_ltks_valid_param_20),
+	.expect_status = MGMT_STATUS_SUCCESS,
+};
+
 static const struct generic_data load_ltks_invalid_params_test_1 = {
 	.send_opcode = MGMT_OP_LOAD_LONG_TERM_KEYS,
 	.send_param = load_ltks_invalid_param_1,
@@ -6312,6 +6559,46 @@ static void setup_uuid_mix(const void *test_data)
 					setup_powered_callback, NULL, NULL);
 }
 
+static void setup_load_ltks_callback(uint8_t status, uint16_t length,
+					const void *param, void *user_data)
+{
+	if (status != MGMT_STATUS_SUCCESS) {
+		tester_setup_failed();
+		return;
+	}
+
+	tester_print("Loaded Long Term Key");
+}
+
+static void setup_load_ltks_20_count_1(const void *test_data)
+{
+	struct test_data *data = tester_get_data();
+	struct mgmt_cp_load_long_term_keys *cp;
+	struct mgmt_ltk_info *info;
+	unsigned char param[sizeof(*cp) + sizeof(*info)] = { 0x00 };
+	unsigned char param_on[] = { 0x01 };
+	int i;
+
+	cp = (struct mgmt_cp_load_long_term_keys *)param;
+	cp->key_count = 1;
+
+	info = (struct mgmt_ltk_info *)cp->keys;
+	info->addr.type = 0x01;		/* LE Public */
+
+	for (i = 0; i < 20; i++) {
+		/* Update BDADDR */
+		info->addr.bdaddr.b[0] = i + 1;
+
+		mgmt_send(data->mgmt, MGMT_OP_LOAD_LONG_TERM_KEYS,
+			  data->mgmt_index, sizeof(param), param,
+			  setup_load_ltks_callback, NULL, NULL);
+	}
+
+	mgmt_send(data->mgmt, MGMT_OP_SET_POWERED, data->mgmt_index,
+					sizeof(param_on), param_on,
+					setup_powered_callback, NULL, NULL);
+}
+
 static void setup_add_device(const void *test_data)
 {
 	struct test_data *data = tester_get_data();
@@ -10632,6 +10919,18 @@ int main(int argc, char *argv[])
 	test_bredrle("Load Long Term Keys - Success 1",
 				&load_ltks_success_test_1,
 				NULL, test_command_generic);
+	test_bredrle("Load Long Term Keys - Success 2",
+				&load_ltks_success_test_2,
+				NULL, test_command_generic);
+	test_bredrle("Load Long Term Keys - Success 3 (20 with count 1)",
+				&load_ltks_success_test_3,
+				setup_load_ltks_20_count_1, test_command_generic);
+	test_bredrle("Load Long Term Keys - Success 4 (20 with count 20)",
+				&load_ltks_success_test_4,
+				NULL, test_command_generic);
+	test_bredrle("asdf Load Long Term Keys - Success 5 (Power On and 20 keys)",
+				&load_ltks_success_test_5,
+				NULL, test_command_generic);
 	test_bredrle("Load Long Term Keys - Invalid Parameters 1",
 				&load_ltks_invalid_params_test_1,
 				NULL, test_command_generic);
