Ion tab bar not visible in original ios device

Hi all,

I am facing a problem while installing ionic2 app in ios device. The tab bar is not showing in original device , while it working fine in simulator. Below I mentioned my ionic info.

Your system information:

Cordova CLI: 6.4.0

Gulp version: CLI version 3.9.1

Gulp local: Local version 3.9.1

Ionic Framework Version: 2.0.0-beta.7

Ionic CLI Version: 2.0.0-beta.35

Ionic App Lib Version: 2.0.0-beta.19

ios-deploy version: Not installed

ios-sim version: 5.0.8

OS: Mac OS X El Capitan

Node Version: v4.4.7

Xcode version: Xcode 7.3.1 Build version 7D1014