We first caught wind of the LG LS831 the last week of August when it made an appearance on WP Bench and I'm A WP7, but we didn't know anything about it. Well, this mystery phone has just made it past the FCC and it looks like it's a CDMA phone with WP7.5 on it. The LS831 was tested in the Baltimore area and could be coming to Sprint or Verizon in the near future. It has also popped up on WP Bench again:
It's good to see some handsets slated for the CDMA carriers, as it looked like Windows Phone was being shown much love.