My feeling is that Blades is very happy with his Florida pledge and that he's sticking with it. That said, if USC pursues him hard leading up to signing day, no one can count out the Trojans so this will be something to watch.
https://n.rivals.com/news/florida-pledge-elijah-blades-lands-new-usc-offer
https://n.rivals.com/news/florida-pledge-elijah-blades-lands-new-usc-offer