When submitting a survey using the Survey123 app messages are flashed so quickly that it is impossible to read the message. Please add an "accept" or "ok" button to the messages.
I have tested this on Windows and iOS using version 2.0.56.
Can you be more specific about which messages are being flashed? During the submit process, we do play text stating what the current process is, but that does not require user input/analysis unless something goes wrong.
As I mentioned above, what you are seeing is an informational message, no user action to confirm or deny is required. The reason it appears for a short period of time is that the submission fails early in the submission process; if the submission were to continue normally, it would be displayed longer and the text would change to reflect what stage of the submission process is occurring.