xfinity mobile returning device- unactivated phone

as anyone successfully returned their device to Xfinity Mobile, especially in cases of delayed activation or incomplete account setup within the initial return period? I received my phone on June 3rd but never activated it or transferred my service. Despite numerous attempts to log into Xfinity Mobile, I encountered non-functional pages or error messages until I received the first bill. While I understand there's now a 14-day return policy via the website, managing a move and other responsibilities has made the days pass quickly. I'm deeply disappointed that I can't return this unused device, which I no longer need. Has anyone received support from Xfinity in similar situations? After waiting on hold for over 45 minutes, I was informed that no one at Xfinity Mobile could assist me or create a return label, despite setbacks with their website during the initial return period. Even when calling, I was directed to use Xfinity Chat, which proved unhelpful, or received instructions on my phone that redirected me to the inactive website within the 14-day window.