Can you dictate an SMS message on iPhone XR using only WIFI but not cellular data?

Hello Chamfort,

It sounds as though you're wanting to use Dictation when connected to Wi-Fi only on your iPhone XR. That's a great question, and you're in the right place for help. Dictation can work whether you're connected to cellular data or Wi-Fi.

You can find more information about Dictation in the following article.

Use Dictation on your iPhone, iPad, or iPod touch

Have a great day!