# Matching Your Stream Screen to Viewers’ Screens

The screen ratios of mobile phones vary, which can cause mismatches between the streamer’s view and what viewers see on their devices. For example, areas visible to the streamer may not appear on a viewer’s screen, and vice versa.

To address this, PRISM offers a Screen Full/Fit option to adjust the display area.

Tap the **More** button in the upper-left corner of the screen. The default **View Screen Full** setting displays the broadcast in full screen. If your phone’s screen ratio is slimmer than 16:9 in landscape mode, viewers may see parts of the screen that are hidden from the streamer.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FFS3OFHSUoEaNdrVNkK6J%2FMatching%20screen%201.png?alt=media&#x26;token=beb8d80e-bcff-461d-9fcb-84efb63fd6ae" alt=""><figcaption><p>iPhone 16 Pro in Full Screen View</p></figcaption></figure>

Switch to **View Screen Fit** to adapt the broadcast to a 16:9 ratio, ensuring it fits entirely within the viewer’s screen. In this mode, black bars (LetterBox) may appear on the sides if the screen ratio is slimmer than 16:9. This allows the streamer to see all areas visible to viewers.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FKpgCXZKLmC3QWLv8Dorv%2FMatching%20screen%202.png?alt=media&#x26;token=8554e916-1f27-4fe2-a567-156838a5efb3" alt=""><figcaption><p>iPhone 16 Pro in Fit Screen Mode (16:9)</p></figcaption></figure>

The same principles apply for portrait mode. Toggle between modes as needed to provide the best viewing experience.

[..](https://guide.prismlive.com/mobile "mention"), [..](https://guide.prismlive.com/mobile/guides "mention"), [..](https://guide.prismlive.com/mobile/guides/features "mention"), [](https://guide.prismlive.com/mobile/guides/features/camera "mention")


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