| Name | API | Details |
|---|---|---|
| IDFA | ASIdentifierManager advertisingIdentifier |
Do not acquire when user is setting optput |
| IDFV | UIDevice identifierForVendor |
Obtained for fraud detection and other purposes only when IDFA is not available. |
| OS | UIDevice systemName |
iPhone OS etc. |
| OS version | UIDevice systemVersion |
5.0.1, 7.1 etc. |
| Terminal name | utsname machine |
iPhone4,1, iPhone7,1 etc. |
| Language settings | NSLocale preferredLanguages [0] |
ja, en etc. |
| Country code | NSLocale NSLocaleCountryCode |
JP, US etc. |
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