Apple has released iOS 12.1 beta 4 for iPhone and iPad to developer beta testers. Separately, Apple has also released the fourth beta versions of watchOS 5.1 and tvOS 12.1 for users testing beta software on Apple Watch and Apple TV. iOS 12.1 beta includes many new Emoji icons including a kangaroo. Downgrade iOS 12.1.3 or iOS 12.1.4 Downgrade to iOS 12.1.2 beta or 12.1.1 beta 3 and Jailbreak Update – As the iOS 12.1.2 jailbreak approaches, we’re going to show you how to downgrade from iOS 12.1.3 or iOS 12.1.4 to a beta that should be supported by the jailbreak.. Here’s how to downgrade iOS 12.1.4 to iOS 12.1.1 beta 3 for jailbreak, or iOS 12.1.3, on your compatible iPhone, iPad or iPod touch device the right way.. Apple has released watchOS 5.2 beta 6, for Apple Watch Series 1 and above. The update is not accompanied with any release notes so it is expected that the changes are bug fixes or under-the-hood updates aimed at developers.. The beta-1 adrenergic receptor (β 1 adrenoceptor), also known as ADRB1, is a beta-adrenergic receptor, and also denotes the human gene encoding it. It is a G-protein coupled receptor associated with the Gs heterotrimeric G-protein and is expressed predominantly in cardiac tissue.. It’s Monday, and Apple has released a new iOS beta version. Today, Apple has released iOS 11.4.1 beta 5 to developers, which most likely contains bug fixes and improvements..