Wifi will not connect

Hi

My wifi will not connect on my PS Vita slim. I have tried multiple wifi networks, formatted my Vita several times, updated my Vita via PblutoothIt simply comes up with an error message. Also bluetooth does not work anymore. My system freezes and then reboots.

I understand that this is most likely a harware issue, i.e. the wireless card and/or wifi antenna.

Is this the case? I have not seen on google any parts for the slim version of the Vita though.

Thanks.