Apple released iOS 8.3 beta 3 for the registered iOS developers. iOS 8.3 beta 3 download available via over the air (OTA) from directly theirs iOS devices or you can download it from Apple Dev center. Apple says the update “contains bug fixes and improvements.”
Quick change log of iOS 8.3 beta versions
iOS 8.3 beta 1 – iOS 8.3 beta 1 brought users CarPlay support, new Emojis, support for Google 2-step verification, and the beginnings to bring Apple Pay to China
iOS 8.3 beta 2 – Brought several new languages to Siri.
iOS 8.3 beta 3 – Apple Watch app is now included in iOS 8 beta 3, Messages settings has a new ‘Conversation List Filtering’ option. It adds tabs to the Messages app which separate messages with people in your contacts and everyone else.
Also you see our previous post for direct download public iOS 8.2 update