回复：Is it easy to change H4-H1

来源: 于 2005-05-16 14:31:08 [旧帖] [给我悄悄话] 本文已被阅读：次

No premium service for H1 to H1 (I-539)
And really, no benefit at all even if you could use premium. There is no pressure to start H4 ASAP.