Is it necessary to print all documentation for traveling to Thailand, or can I rely on digital copies?

The discussion emphasizes the importance of printing travel documents when traveling to Thailand, as many travelers encountered situations where they were required to present physical copies rather than relying on digital versions. The original post shares a traveler's experience at various checkpoints where showing documents on a smartphone was insufficient, sparking agreement from others who had similar experiences. Some also highlighted the necessity of keeping a copy of COVID-19 vaccination proof handy.