Hi Bobinny,
Welcome to Sony Community!
We apologize for the inconvenience. Are you getting an error message or any signs that the adapter is defective? Did you do some diagnosing test to figure out that the adapter needs to be replaced?
You may contact our authorized parts and accessories distributors to check the availability of the WIFI adaptor. You reach them at https://esupport.sony.com/US/p/model-accessories.pl
Regards,
Jen
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Jen
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