1) Should she stop work (using EAD) immediately?
Yes
2) Does she go back to H4 status automatically by stopping using EAD?
No
3) If not H4 after using EAD, can she apply H4 in United States?
Yes, she can.
Yes
2) Does she go back to H4 status automatically by stopping using EAD?
No
3) If not H4 after using EAD, can she apply H4 in United States?
Yes, she can.