You have more than 1 Gbps internet? You're moving enough data to/from your phone over your network that you need that kind of speed? If you're looking for it just because your router supports it, I can certainly find better ways to spend $150 or more. MOST network ports/switches are backward-compatible, slower speeds should work fine. A quick Google search revealed several options for those USB-C 10 Gbps network adapters. The challenge is that they're not just dongles, they appear to be somewhat hefty boxes...
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