diff --git a/mbtk/mbtk_rild_v2/src/main.c b/mbtk/mbtk_rild_v2/src/main.c
index 0881b70..180e932 100755
--- a/mbtk/mbtk_rild_v2/src/main.c
+++ b/mbtk/mbtk_rild_v2/src/main.c
@@ -3049,6 +3049,7 @@
 
 OK
 */
+/*
 static void* band_config_thread()
 {
     band_info.band_set_success = FALSE;
@@ -3082,6 +3083,7 @@
     LOGD("Set Band thread exit.");
     return NULL;
 }
+*/
 
 
 int ril_server_start()
@@ -3199,6 +3201,7 @@
     char buff[10];
     memset(buff, 0, 10);
     property_get("persist.mbtk.band_config", buff, "");
+    /*
     if(strlen(buff) == 0) {
         pthread_t band_pid;
         if(pthread_create(&band_pid, &thread_attr, band_config_thread, NULL))
@@ -3208,6 +3211,7 @@
     }
 
     pthread_attr_destroy(&thread_attr);
+    */
 
     if(asr_auto_data_call_enable()) {
         ril_cid_start = MBTK_RIL_CID_2;
diff --git a/mbtk/mbtk_utils/device_info.c b/mbtk/mbtk_utils/device_info.c
index 976f289..63efced 100755
--- a/mbtk/mbtk_utils/device_info.c
+++ b/mbtk/mbtk_utils/device_info.c
@@ -11,6 +11,7 @@
 /*
 * Exec shell command.
 */
+/*
 static bool shell_cmd_exec(const char *cmd, char *buf, int buf_size){
     FILE *fcmd;
     bool result = FALSE;
@@ -44,7 +45,7 @@
     return result;
 }
 
-
+*/
 static char* band_2_str(mbtk_modem_band_area_enum band_area)
 {
     switch(band_area)
@@ -162,7 +163,7 @@
 static int band_set_by_at(mbtk_device_info_modem_t *band)
 {
     char cmd[100] = {0};
-    char rsp[100] = {0};
+//    char rsp[100] = {0};
 
     // Only support 4G/5G
     if(band->modem.v2.net_support & MBTK_NET_SUPPORT_5G) {
@@ -185,7 +186,7 @@
             sprintf(cmd, "serial_atcmd AT*BAND=%d,%d,%d,%d,%d", band->modem.v2.net_pref, band->modem.v2.band_gsm, band->modem.v2.band_wcdma, band->modem.v2.band_tdlte, band->modem.v2.band_fddlte);
         }
     }
-
+/*
     if(shell_cmd_exec(cmd, rsp, sizeof(rsp))) {
         if(strstr(rsp, "\r\nOK\r\n")) {
             return 0;
@@ -195,6 +196,8 @@
     } else {
         return -1;
     }
+    */
+    return 0;
 }
 
 /*