NOT factory resetting in init

src/TinyGsmClientM590.h

@@ -138,7 +138,10 @@ public:
       return false;
     }
 
-    sendAT(GF("&FZE0"));  // Factory + Reset + Echo Off
+    // sendAT(GF("&FZ"));  // Factory + Reset
+    // waitResponse();
+
+    sendAT(GF("E0"));  // Echo Off
     if (waitResponse() != 1) {
       return false;
     }