If you don't use EAD, you may be an invalid H1B
You have not become an AOS. What's your status when your H1B expires? Better find a job in your related field and work using EAD, even it's a postdoc.
You have not become an AOS. What's your status when your H1B expires? Better find a job in your related field and work using EAD, even it's a postdoc.