diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index 2da86b1b..ac3de91a 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -1123,10 +1123,6 @@ public class MicroPhotoService extends Service {
         SysApi.enableGps(getApplicationContext(), enabled);
     }
 
-    public void selectSimCard(int num) {
-        SysApi.selectSimCard4Data(getApplicationContext(), num);
-    }
-
     /*
     TelephonyManager telephonyManager = (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);
 // for example value of first element