Guys need some info on the i94 process at MEX border, if anyone or any of your friends did something like this. Thanks 
Is it possible/safe to get an i94 extension(for H4 EAD purposes) with the spouse’s H1 797(approved till Oct 2025) at the Mexico border? But she don’t have a valid visa, adding the current status for more info
Current Status
Spouse H1 - Approved(Valid till Oct 2025)
Current i94(in i797) - Valid(Only till Oct 2022)
H4 and H4 EAD - Have receipt for applications done on April 2022
Passport - valid till 2025
H4 Visa - Expired(May 2020)