There is no premium processing service available for the H4 EAD, I-765 application. However, you can submit an Expedite Request.

Steps for filing a B1/B2 visitor visa for parents (India) if you are on a J1, L1, or H1B visa - with documents checklist...

Change of status from H1B to J2 visa is a very rare case, usually, it's the opposite, people on J visas try to get H1B.

Current processing times for H4 EAD from all USCIS service centers, including the latest service request dates for standalone I-765...

If you are planning to apply for an H4 EAD for the first time, I'm here to help you step-by-step, right from the H4 EAD eligibility criteria