# Emulator vs device ios ionic build ionic v4

**URL:** <https://forum.ionicframework.com/t/emulator-vs-device-ios-ionic-build-ionic-v4/145138>\
**Category:** Ionic Framework\
**Created:** [October 21, 2018, 10:44am UTC](https://forum.ionicframework.com/t/emulator-vs-device-ios-ionic-build-ionic-v4/145138 "2018-10-21T10:44:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![anupzone](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/anupzone/32/120703_2.png) [@anupzone](https://forum.ionicframework.com/u/anupzone)\
**Post date:** [October 21, 2018, 10:44am UTC](https://forum.ionicframework.com/t/emulator-vs-device-ios-ionic-build-ionic-v4/145138/1 "2018-10-21T10:44:08Z")

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getting white screen in emulator but working fine in device. why?

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**Author:** ![mhartington](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/mhartington/32/137757_2.png) [@mhartington](https://forum.ionicframework.com/u/mhartington)\
**Post date:** [July 19, 2021, 9:12pm UTC](https://forum.ionicframework.com/t/emulator-vs-device-ios-ionic-build-ionic-v4/145138/2 "2021-07-19T21:12:32Z")

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Closed on July 19, 2021, 9:12pm UTC