Apple has released iOS 6.0.2 firmware update for iPhone 5 and iPad Mini devices which includes fixes for a bug that could impact Wi-Fi.
iPhone 5 and iPad Mini users can download iOS 6.0.2 as an Over-the-air (OTA) update or through links below.
Download iOS 6.0.2
iPhone 5 All Models
iPhone 5 AT&T/Canada (model A1428)
iPad Mini (GSM)
iPad Mini (WiFi)
iPad Mini (CDMA)