# Plex Mobile

**URL:** <https://forums.plex.tv/t/plex-mobile/479266>\
**Category:** General Discussions\
**Tags:** downloads\
**Created:** [October 20, 2019, 9:44pm UTC](https://forums.plex.tv/t/plex-mobile/479266 "2019-10-20T21:44:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ultrapuremetal](https://avatars.discourse-cdn.com/v4/letter/u/57b2e6/32.png) [@ultrapuremetal](https://forums.plex.tv/u/ultrapuremetal)\
**Post date:** [October 20, 2019, 9:44pm UTC](https://forums.plex.tv/t/plex-mobile/479266/1 "2019-10-20T21:44:36Z")

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I don’t understand what the sync feature does in my mobile device. I get the impression that it will “download?” my library to mobile device? If this is correct, I know that I have too much data for my mobile device. Could someone please clarify?

Thank you.

David

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**Author:** ![Noah0504](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/noah0504/32/92422_2.png) [@Noah0504](https://forums.plex.tv/u/Noah0504)\
**Post date:** [October 20, 2019, 9:51pm UTC](https://forums.plex.tv/t/plex-mobile/479266/2 "2019-10-20T21:51:29Z")

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It will download specified media (not your entire library) to your mobile device. If you sync video, it will also create an optimized version to make a smaller file that your device can play without issue.

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**Author:** ![OttoKerner](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/ottokerner/32/10079_2.png) [@OttoKerner](https://forums.plex.tv/u/OttoKerner)\
**Post date:** [October 20, 2019, 10:00pm UTC](https://forums.plex.tv/t/plex-mobile/479266/3 "2019-10-20T22:00:29Z")

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[https://support.plex.tv/articles/categories/features/mobile-sync/](https://support.plex.tv/articles/categories/features/mobile-sync/)

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [January 18, 2020, 10:00pm UTC](https://forums.plex.tv/t/plex-mobile/479266/4 "2020-01-18T22:00:34Z")

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