Samsung Galaxy A7 (2018) receiving One UI based Android Pie beta update in India Samsung has started rolling out the Android 9.0 Pie beta update based on One UI to the Galaxy A7 (2018). Owners of the phone can register for the Android Pie/One UI beta program in India, as the over-the-air update has already started rolling out. The Galaxy A7 (2018) is the first mid-range phone that Samsung started testing Pie for. While Samsung has not officially announced anything about the beta update
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– https://www.fonearena.com/blog/275734/samsung-galaxy-a7-2018-android-pie-beta-update.html

Source: https://www.youtube.com/watch?v=q8MkBBLZQq0