# My mp4 files can be viewed with iOS7.0.6 but can't be viewed with iOS7.1 from Wowza

**URL:** <https://community.wowza.com/t/my-mp4-files-can-be-viewed-with-ios7-0-6-but-cant-be-viewed-with-ios7-1-from-wowza/41548>\
**Category:** Wowza Streaming Engine\
**Created:** [April 16, 2014, 7:00pm UTC](https://community.wowza.com/t/my-mp4-files-can-be-viewed-with-ios7-0-6-but-cant-be-viewed-with-ios7-1-from-wowza/41548 "2014-04-16T19:00:49Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![richard\_chen](https://avatars.discourse-cdn.com/v4/letter/r/839c29/32.png) [@richard\_chen](https://community.wowza.com/u/richard_chen)\
**Post date:** [April 16, 2014, 7:00pm UTC](https://community.wowza.com/t/my-mp4-files-can-be-viewed-with-ios7-0-6-but-cant-be-viewed-with-ios7-1-from-wowza/41548/1 "2014-04-16T19:00:49Z")

</div>

Hi,

My mp4 files can be viewed with iOS7.0.6 but can’t be viewed with iOS7.1 from Wowza with HLS protocol, the mp4 files are H.264 video AAC audio, does anyone know what’s the problem?

Thanks,

Richard

---

<div class="post-metadata">

**Author:** ![Richard\_Lanham](https://avatars.discourse-cdn.com/v4/letter/r/c68b51/32.png) [@Richard\_Lanham](https://community.wowza.com/u/Richard_Lanham)\
**Post date:** [April 19, 2014, 8:36pm UTC](https://community.wowza.com/t/my-mp4-files-can-be-viewed-with-ios7-0-6-but-cant-be-viewed-with-ios7-1-from-wowza/41548/2 "2014-04-19T20:36:38Z")

</div>

Hi Richard,

Do you have a link to a sample video?

Richard