The Gold Master build of Apple’s soon-to-be-announced iOS 5.1 has, after three weeks of extensive quality testing by Apple and its carrier partners, passed quality assurance tests, signifying that it’s now ready for the end-user.

Somehow, iOS commentator BlogdoiPhone has supposedly gotten wind of a “pre-GM” leak of the upcoming iteration of iOS, which is iOS 5.1. GM, initialism of Golden Master, usually refers to the final version so, if true, the information and images below would appear to paint the full picture as to what Apple has in the pipeline.