Sent our AOS (K1 and K2) July 14, 2022
July 20, 2022 - K2 received text message from USCIS that they received her application.
I am the K1 but up to now I haven't recevied any text or email from USCIS regarding my application.
I sent our application at the same time (inside one envelope with separate K1 and K2 AOS folders.