Apple after about two weeks of releasing third beta, today launched fourth beta of iOS 7.1. iOS 7.1 beta 4 has been seeded to registered developers. Earlier beta 3 brought many changed in UI of device. Phone , call , power off UO was tweaked in that beta.

Public release of iOS 7.1 is expected to be around march. There will be around six beta before releasing to general public.

This beta is compatible with iPhone 4 or later, iPad 2 or later and iPod touch 5G. This beta build will expire on 3rd march 2014, says we’ll know hacker @iH8sn0w. You can download the beta build from developer portal and install it via iTunes. The Update is also available as OTA Update.

This beta brings many stability improvement and memory bugs fixes.

Here’s what changed in iOS 7.1 beta 4:

• New ‘Slide to Unlock’ animation
• New ‘power Off’ Animation
• Slightly tweaked Photo icon
• Added Changing of gender option for Siri for English UK users
• Added Male/Female Siri Voice for Australian English
• Tweaked phone.app, tweaked add to contacts option
• Highlights ‘slide to unlock’ if you slide in wrong direction

So this is what changed. If we find anything new then we will update this post. If you find anything new then let us know in comments.

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