Sounds like she had RCS on her android phone and didn’t disable it before switching maybe
this post was submitted on 20 Nov 2023
1 points (100.0% liked)
Apple
67 readers
5 users here now
A place for Apple news, rumors, and discussions.
founded 11 months ago
MODERATORS
Please tell me more. Because I've been receiving messages on old android which is connected to only wifi
https://selfsolve.apple.com/deregister-imessage/
Disable RCS with the other link and disable iMessage with this link and try again
Worse case you can iMessage her with her iCloud email instead of phone number.