回复:H-1B 延期问题
Basically, you can't and you can not even move to H4 because the 6 years limit is for H category visa totally, including H1B and H4. Without engaging into GC application and reaching certain point, the only option to get another 6 years is to leave the country for a year.
Sorry to tell you because this happy to my cases too. If you still have tim