It's been a while since the last beta
, but per a screenshot sent in by a tipster, Apple's already begun pushing iOS 5.1
beta 3 to development iOS devices. The 77.4MB update curiously isn't live on Apple's developer website just yet (see update), but when it lands we'll hopefully gleam more than "bug fixes and improvements."
, the build in question is 9B5141a and restores the 3G toggle absent on the iPhone 4S
It's live on the developer portal.