# Set Device Info

Right after `MagicPixel.init` method is invoked and is ready, execute the below method with below parameters. This sets all the necessary values for new facebook tag requirements for mobile apps and can be expanded for other future tags.

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```
MagicPixel.setDeviceInfo({
  timezone_abbreviation: 'CST', // *REQUIRED* short 3 letter timezone representation
  package_name: 'com.company.app.name', // *REQUIRED* package name of your application
  short_version: '1.0', // short version number
  long_version: '1.0 long', // long version number
  os_version: '13.0.2', // *REQUIRED* iOS or Android OS version
  device_model_name: 'iPhone5,1', // *REQUIRED*
  locale: 'En_US', // *REQUIRED*
  carrier: 'Airtel', // *REQUIRED*
  screen_width: 320, // *REQUIRED* example - don't hard code
  screen_height: 568, // *REQUIRED* example - don't hard code
  screen_density: 2, // *REQUIRED* example - don't hard code
  cpu_cores: 2, // example - don't hard code
  ext_storage: 13, // example - don't hard code - Storage in GB
  free_storage: 8, // example - don't hard code - Free space in GB
  device_timezone: 'USA/New York', // *REQUIRED*
});
```

#### [Direct link to heading](#magicpixel-setup-information) MagicPixel setup information

These fields are all available under `device_info` object in MagicPixel. When creating data element, set it up as a MagicPixel Data Layer Item with value such as `device_info.package_name` for example.

[PreviousTracking Events](https://magic-pixel.gitbook.io/ingest-labs-implementation/react-native-sdk/tracking-events) [NextSet Customer Info](/implementation/react-native-sdk/tracking-events/set-customer-info.md)


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