A downgrade from 2019 StockROM Android Oreo 8.0.0 to 7.x Nougat was not possible for me.
The installation of the current /e/ build e-0.7-n-2020020540083-dev-herolte on a Galaxy S7 SM-G930F with StockROM Android 8.0.0 and Security Patch Level Dec. 2019 (G930FXXS7ESL9) however worked well, as expected.
In the meantime I also changed two devices (S7 and S7 Edge) with different OS versions of StockROM Oreo 8.0.0 to /e/ OS e-0.7-nougat. Read more …