There were lots of "alternative" mobile OS's before AOSP, and even before iOS - AOSP simply got critical mass behind it in a way that other OS's didn't. But Hu

There were lots of "alternative" mobile OS's before AOSP, and even before iOS - AOSP simply got critical mass behind it in a way that other OS's didn't. But Huawei isn't going to push for an open alternative either - even their versions of AOSP have always been among the most closed and hardest to "mod". As far as openness goes, Purism/Librem, and the pmOS community project remain our best bets.