64bit build for ios


I encountered a message while opening a built ios app on my phone:

‘xxx’ may slow down your iphone. the developer of this app needs to update it to improve its compatibility.

It seems to be the issue of lacking 64bit support. But can’t find a solution online.
Does anyone have this issue too?

Thanks a lot.


@fj33xx I’m having this issue as well as of this morning, after updating @ionic/app-scripts to 0.0.42.


same here!!! did you find how to set the x86_64 architecture?


+1 I’m also having this issue


Any resolution guys?


I’m having the same issue. Any resolution after 1 month?

Cordova CLI: 6.4.0
Ionic Framework Version: 2.0.0-rc.4
Ionic CLI Version: 2.1.17
Ionic App Lib Version: 2.1.7
Ionic App Scripts Version: 0.0.47
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 7
Node Version: v6.7.0
Xcode version: Not installed


Just solved this issue myself using: Performance alert when deploying to iOS 10.1

I ran ionic platform update ios and in package.json changed the ios version inside cordovaPlatforms to 4.3.0:

"cordovaPlatforms": [
      "platform": "ios",
      "version": "4.3.0",
      "locator": "ios"