diff --git a/lib/liblynq-sim/include/lynq_sim.h b/lib/liblynq-sim/include/lynq_sim.h
index ee696f3..c6d9a8d 100755
--- a/lib/liblynq-sim/include/lynq_sim.h
+++ b/lib/liblynq-sim/include/lynq_sim.h
@@ -27,6 +27,7 @@
 int lynq_query_phone_number(char buf[]);
 int lynq_switch_card(int slot);
 int lynq_screen(int num);
+int lynq_get_imei(char buf[]);
 int lynq_get_imei_and_sv(char imei[],char sv[]);
 
 /**