那我是否需要给雇主提供EAD,
-Yes.
还要办理什么相关手续?
-No.
需要递交移民局吗?
-No.
另外,I-94,说不用新申请,但是后面又说用AOS身份申请,能说的详细一些吗?
-AOS = Adjustment of Status and that means your have a pending I-485 which allows you to stay US legally for your GC. No I-94 is needed for AOS.
我对此一窍不通。