XiaomiXiaomi Mi A1: upgrade to Android 9.0 Pie, brings Dual 4G VoLTE, FM radio and more ..Dimitrios DagkalidisDecember 25 2018 from Dimitrios DagkalidisDecember 25 2018 Xiaomi has started upgrading the Mi A1 to a stable version of Android 9.0 (Pie), widely for all users of the device, including users in ... Read more