public void syncSignalInfo() {
        PowerManager pm = (PowerManager) ctx.getSystemService(Context.POWER_SERVICE);
        final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
        //wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "vnaps");
        PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "vnaps");
        synchronized (wakeLock) {
            wakeLock.acquire(500);
            //Log.i("VNAPS", "[YAZ] Wakelock requested: " + wakeLock.isHeld());
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                //Log.e("VNAPS", "[YAZ} Interrupted");
            }
            if (wakeLock.isHeld()) {
                wakeLock.release();
            } else {
                Log.e("VNAPS", "Prevented a wakelock.release exception...");
            }
        }
        //Log.i("VNAPS", "[YAZ] Asking for updated phone state");

        tm.listen(strength_listener, PhoneStateListener.LISTEN_NONE);
        tm.listen(strength_listener, PhoneStateListener.LISTEN_CELL_LOCATION);
        tm.listen(strength_listener, PhoneStateListener.LISTEN_CELL_INFO);
        tm.listen(strength_listener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
    }