# Why dl the images to device?

**URL:** <https://help.nextcloud.com/t/why-dl-the-images-to-device/6730>\
**Category:** 🤖 Android\
**Created:** [December 27, 2016, 10:31am UTC](https://help.nextcloud.com/t/why-dl-the-images-to-device/6730 "2016-12-27T10:31:44Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![MichaIng](https://help.nextcloud.com/user_avatar/help.nextcloud.com/michaing/32/2125_2.png) [@MichaIng](https://help.nextcloud.com/u/MichaIng)\
**Post date:** [January 15, 2017, 5:15pm UTC](https://help.nextcloud.com/t/why-dl-the-images-to-device/6730/9 "2017-01-15T17:15:43Z")

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Yes that’s the right one. You so far have to apply a cron job for it to run and a separate occ command to initially crate previews for all files, which quite takes some time “preview:generate-all”. See the discussion here: [https://help.nextcloud.com/t/clarity-on-the-crontab-settings-for-the-preview-generator-app/6144?u=michaing](https://help.nextcloud.com/t/clarity-on-the-crontab-settings-for-the-preview-generator-app/6144?u=michaing)

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