diff --git a/src/Makefile b/src/Makefile
index cf325e6..08a5f7e 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2,7 +2,7 @@ CPPFLAGS ?= -g -O0 -Wall `pkg-config --cflags libosmocore` `pkg-config --cflags
 LIBS ?= `pkg-config --libs libosmocore` `pkg-config --libs qmi-glib`
 all: osmo-qcdiag-log
 
-MODS_LOG = gprs_rlc.o gprs_mac.o diag_gsm.o diag_log.o diag_log_gsm.o diag_log_gprs.o diag_log_wcdma.o diag_log_umts.o diag_log_qmi.o diag_dpl.o
+MODS_LOG = gprs_rlc.o gprs_mac.o diag_gsm.o diag_log.o diag_log_gsm.o diag_log_gprs.o diag_log_wcdma.o diag_log_umts.o diag_log_qmi.o diag_dpl.o diag_log_simcard.o
 
 osmo-qcdiag-log: diagchar_hdlc.o diag_io.o osmo-qcdiag-log.o diag_msg.o protocol.o diag_cmd.o $(MODS_LOG)
 	$(CC) $(CPPFLAGS) -o $@ $^ $(LIBS)
diff --git a/src/diag_log_simcard.c b/src/diag_log_simcard.c
new file mode 100644
index 0000000..1365df1
--- /dev/null
+++ b/src/diag_log_simcard.c
@@ -0,0 +1,50 @@
+/* Utility code for DIAG UIM (Simcard) Logging */
+/*
+ * (C) 2016 by Harald Welte <laforge@gnumonks.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+
+#include "diag_log.h"
+#include "diag_io.h"
+#include "protocol/diagcmd.h"
+#include "protocol/diag_log_1x.h"
+
+static void handle_uim_data(struct log_hdr *lh, struct msgb *msg)
+{
+	struct diag_log_uim_msg *uim = (struct diag_log_uim_msg *) msgb_data(msg);
+	printf("UIM_DATA { %s }\n", msgb_hexdump(msg));
+}
+
+static void handle_uim_ds_data(struct log_hdr *lh, struct msgb *msg)
+{
+	printf("UIM_DS_DATA {}\n");
+}
+
+
+static const struct diag_log_dispatch_tbl log_tbl[] = {
+	{ L1X(LOG_UIM_DATA_C), handle_uim_data },
+	{ L1X(LOG_UIM_DS_DATA_C), handle_uim_ds_data },
+};
+
+static __attribute__((constructor)) void on_dso_load_gsm(void)
+{
+	diag_log_reg_dispatch(log_tbl, ARRAY_SIZE(log_tbl));
+}
diff --git a/src/protocol/diag_log_1x.h b/src/protocol/diag_log_1x.h
index fc446e0..4442d6a 100644
--- a/src/protocol/diag_log_1x.h
+++ b/src/protocol/diag_log_1x.h
@@ -6,6 +6,7 @@
 
 enum diag_log_code_1x {
 	LOG_UIM_DATA_C						= 0x98,
+	LOG_UIM_DS_DATA_C					= 0x4ce,
 	LOG_DATA_PROTOCOL_LOGGING_C				= 0x1eb,
 	LOG_DATA_PROTOCOL_LOGGING_NETWORK_IP_RM_TX_80_BYTES_C	= 0x572,
 	LOG_DATA_PROTOCOL_LOGGING_NETWORK_IP_RM_RX_80_BYTES_C	= 0x573,
@@ -28,3 +29,8 @@ enum diag_log_code_1x {
 	LOG_DATA_PROTOCOL_LOGGING_FLOW_UM_TX_80_BYTES_C		= 0x584,
 	LOG_DATA_PROTOCOL_LOGGING_FLOW_UM_TX_FULL_C		= 0x585,
 };
+
+struct diag_log_uim_msg {
+	uint8_t len;
+	uint8_t data[0];
+} __attribute__ ((packed));