Update TelephonySnippet.java
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
index 26bae43..49c6ab9 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
@@ -59,7 +59,11 @@
                     "Returns a constant indicating the radio technology (network type) currently"
                             + "in use on the device for data transmission.")
     public int getDataNetworkType() {
-        return mTelephonyManager.getDataNetworkType();
+        if (Build.VERSION.SDK_INT < 30) {
+            return mTelephonyManager.getNetworkType();
+        } else {
+            return mTelephonyManager.getDataNetworkType();
+        }
     }
 
     @Rpc(