Android Firmware Android Kernel Android OS Android Root Android Tutorials Tutorials UMI How to root UMI S1 using FramarootSteve CoxApril 1, 2014 by Steve CoxApril 1, 20140 The UMI S1 is a mid-range Android smartphone released by Chinese manufacturer UMI back in March last year. The UMI S1 features a 5 inches... Read more