Apple has released iOS 7.1 beta 4 to developers via the Software Update function in Settings of the iPhone, iPad, and iPod touch. The previous betas brought various interface enhancements to the phone app, shut down slider, and the calendar application. Only hours ago, a rumor said that iOS 7.1 beta 4 would be released tomorrow. We’ll update this post as new changes are discovered in beta 4:

– Subtle text change for slide to unlock and slide to power off.

–  iPad has gained new Siri voice gender options for the UK.

– Messages now scrolls more smoothly and with more animation.

– Shut down slider also more in line with the new, shinier Slide to Unlock text

– General bug fixes, performance, and stability enhancements

– The build number for this release is 11D5134c