公式
https://www.mi.com/en/mi-a1/
https://www.mi.com/global/mi-a2/
https://www.mi.com/global/mi-a2-lite/
https://www.mi.com/global/mi-a3/

※前スレ
【Android One】Xiaomi Mi Aシリーズ総合3【A1/A2/A3】
https://egg.5ch.net/test/read.cgi/smartphone/1562930246/
VIPQ2_EXTDAT: checked:vvvvv:1000:512:: EXT was configured