According to the publication, iOS 7.1 Beta 4 will be out tomorrow as Apple continues to squash bugs and fix the remaining hiccups, including keyboard issues and problems with the Contacts app.
BGR also claims that iOS 7.1 Beta 4 (build 11D5127c) is already in the hands of Apple’s carrier partners and could get released to developers soon, possibly tomorrow.
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We have heard from sources that with iOS 7.1, Apple is working very hard to address some large memory bugs and other issues in iOS 7 that have caused crashes and restarts for a lot of people.
iOS 7 Beta 3 includes some visual changes to the Dialer/Phone app, a new-look for the slide-to-power-off interface, confusingly tweaked Shift keys on the virtual keyboard, less vibrant icons for Phone, Messages and FaceTime and other visual tweaks and minor changes.