Galaxy A8 (2018) and Galaxy A9 (2018) Android Pie update is already in testing - GSMArena.com news
Samsung Galaxy A7, A8, and A9 closer to Pie update - Android Authority
Samsung Introduces the Galaxy A8(2018) and A8+(2018) with Dual Front Camera, Large Infinity Display and Added Everyday Features – Samsung Global Newsroom
Galaxy A8 (2018) starts receiving the Android Pie update in Europe - SamMobile
Samsung Galaxy A8 and Galaxy A9 (2018) are getting Android 9 Pie - PhoneArena