# PDF viewer Full-screen option not showing on iPhone or iPad

**URL:** <https://pdfjs.community/t/pdf-viewer-full-screen-option-not-showing-on-iphone-or-ipad/2699>\
**Category:** Technical Support\
**Created:** [July 10, 2023, 3:52am UTC](https://pdfjs.community/t/pdf-viewer-full-screen-option-not-showing-on-iphone-or-ipad/2699 "2023-07-10T03:52:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![portia](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@portia](https://pdfjs.community/u/portia)\
**Post date:** [July 10, 2023, 3:52am UTC](https://pdfjs.community/t/pdf-viewer-full-screen-option-not-showing-on-iphone-or-ipad/2699/1 "2023-07-10T03:52:01Z")

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**Which product are you using?**  
PDF.js Express Viewer

**PDF.js Express Version**  
8.4.0

**Detailed description of issue**  
The full-screen option is available for Android phones like below  
 ![image](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/2X/b/b47d61ad01e3728b432e498e2464e614d87c68c0.png)

On iPhone and iPad full-screen option isn’t available.  
 ![image](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/2X/0/05e89f144bec1d777019fca21082194a856d6077.png)

**Does your issue happen with every document, or just one?**  
The issue happens for every document.

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**Author:** ![kkim](https://avatars.discourse-cdn.com/v4/letter/k/3ab097/32.png) [@kkim](https://pdfjs.community/u/kkim)\
**Post date:** [July 10, 2023, 4:58pm UTC](https://pdfjs.community/t/pdf-viewer-full-screen-option-not-showing-on-iphone-or-ipad/2699/3 "2023-07-10T16:58:43Z")

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Hi there,

Thank you for contacting pdf.js express forums,

Full screen is not available on mobile devices.

Best regards,  
Kevin Kim