# Ionic serve doest not display correct app design

**URL:** <https://forum.ionicframework.com/t/ionic-serve-doest-not-display-correct-app-design/107045>\
**Category:** ionic-v3\
**Created:** [September 28, 2017, 2:48pm UTC](https://forum.ionicframework.com/t/ionic-serve-doest-not-display-correct-app-design/107045 "2017-09-28T14:48:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kalador](https://avatars.discourse-cdn.com/v4/letter/k/b3f665/32.png) [@kalador](https://forum.ionicframework.com/u/kalador)\
**Post date:** [September 28, 2017, 2:48pm UTC](https://forum.ionicframework.com/t/ionic-serve-doest-not-display-correct-app-design/107045/1 "2017-09-28T14:48:15Z")

</div>

hi,

Running my app by `ionic serve --lab`  
=\> the app design display correctly (android, ios)  
=\> it’s the same that on real phone (android, ios) (checked by build&run)

Running my app by `ionic serve --platform android(ios or browser)`  
=\> the app design won"t display correctly

where can be the problems’ source please ?