update: H1B+H4 extension+H4 EAD new application with PP03/06/2019 Fedex Overnight California Center 03/07/2019 received by USCIS03/14/2019 H4 extension+H4 EAD receipts delivered03/15/2019 H4 extension approved by USCIS(status updated online)03/18/2019 H4 EAD approved by USCIS(status updated online)03/20/2019 H4+H4 EAD approval notice delivered 03/21/2019 H4 EAD delivered with start date 8/1/2019update: standalone H4 EAD application with end date 8/1/201903/22/2019 Fedex Overnight Phoenix03/25/2019 received by USCIS04/04/2019 receipt delivered from California center06/06/2019 card mAIled