If you are getting an error code NW-13347-8 are not able to connect to the PlayStation network using Wi-Fi on your PlayStation Vita then you can easily solve this problem with the help of this guide.

If other devices are able to connect through Wi-Fi and only PlayStation Vita is not, then do the following:
If other devices are also not able to access Wi-Fi, be sure that the Access point is properly connected.
If you were successfully connecting your Vita in the past and are facing this issue now, check that the access point, security type and password are not changed since the last time you connected Wi-Fi.
If you are still having trouble connecting, do the following:



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