device/drawable-anydpi-v21/ic_signal_cellular_no_sim_black_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M18.99,5c0,-1.1 -0.89,-2 -1.99,-2h-7L7.66,5.34 19,16.68 18.99,5zM3.65,3.88L2.38,5.15 5,7.77V19c0,1.1 0.9,2 2,2h10.01c0.35,0 0.67,-0.1 0.96,-0.26l1.88,1.88 1.27,-1.27L3.65,3.88z"/>
</vector>