Xiaomi Mi A1 – AndroidOne Low Budget smartphone launched in September 2017. The Xiaomi Mi A1 runs on Android 7.1.2 and is powered by a 3080mAh non-removable battery which is fairly enough for normal usage. The Xiaomi Mi A1 coming with 2GHz octa-core Qualcomm Snapdragon 625 processor and it comes with 4GB