I purchased a modem online during this pandemic th...

I purchased a modem online during this pandemic the modem sent was the wrong one but because I was unable to return it with in the 14 days again due to the pandemic they will no longer exchange it. When I originally place the order they were during curbside pick up when I went to pick up order after receiving a text message that my products were there, only to get there to be told sorry were are no longer do curbside as of today. But no text saying that or call..