Sandro has left ChampionshipQueens Park Rangers to join Turkish top-flight club Antalyaspor in a permanent deal.
The 27-year-old Brazil international moved to Loftus Road from Tottenham in September 2014.
Sandro, who spent the second half of last season on loan at West Brom, has agreed a deal until the summer of 2020 with the Super Lig side.