Cordova:
```bash
cordova emulate ios --target="iPhone-4s"
cordova emulate ios --target="iPad-Air"
cordova emulate ios --target="iPhone-6"
cordova emulate ios --target="iPhone-6-Plus"
```
Phonegap:
```bash
phonegap run ios --target="iPhone-4s"
phonegap run ios --target="iPad-Air"
phonegap run ios --target="iPhone-6"
phonegap run ios --target="iPhone-6-Plus"
```