Thanks for the update. The Google Fi sim I just got works in either my iPhone phone or iPad but Google Fi doesn’t yet support 5G on iPhone/iPad.
See: https://www.t-mobile.com/support/devices/apple/setting-up-non-t-mobile-apple-devicesBased on this web page, I expected that my iPhone sim would work in the iPad.
Already have an account? Login
Enter your username or e-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.