React Native Change Default iOS Simulator Device

Question

When I run this command:

react-native run-ios

My app runs by default in the iPhone6 simulator device:

Found Xcode project R         


        

Answer 1

Specify a simulator using the --simulator flag.

These are the available devices for iOS 14.0 onwards:

npx react-native run-ios --simulator="iPhone 8"
npx react-native run-ios --simulator="iPhone 8 Plus"
npx react-native run-ios --simulator="iPhone 11"
npx react-native run-ios --simulator="iPhone 11 Pro"
npx react-native run-ios --simulator="iPhone 11 Pro Max"
npx react-native run-ios --simulator="iPhone SE (2nd generation)"
npx react-native run-ios --simulator="iPhone 12 mini"
npx react-native run-ios --simulator="iPhone 12"
npx react-native run-ios --simulator="iPhone 12 Pro"
npx react-native run-ios --simulator="iPhone 12 Pro Max"
npx react-native run-ios --simulator="iPod touch (7th generation)"
npx react-native run-ios --simulator="iPad Pro (9.7-inch)"
npx react-native run-ios --simulator="iPad Pro (11-inch) (2nd generation)"
npx react-native run-ios --simulator="iPad Pro (12.9-inch) (4th generation)"
npx react-native run-ios --simulator="iPad (8th generation)"
npx react-native run-ios --simulator="iPad Air (4th generation)"

List all available iOS devices:

xcrun simctl list devices

There is currently no way to set a default.

React Native Docs: Running On Simulator