The Moto X4 is now receiving the update to Android 9 Pie in India. It comes over-the-air as a 1.1GB download, and once you install it you'll be on build number PPW29.69-17. If you haven't gotten the update notification yet, then you could manually check for it through Settings. Note though that it's likely to be a phased rollout, so doing that might not actually work. Still, the good news is that the update is now on its way to every single Moto X4 unit sold in the subcontinent, so you should have it within the next few days. Motorola also promised Android Pie updates for the Moto Z3,...
Source: https://www.gsmarena.com/android_9_pie_update_for_the_moto_x4_is_now_rolling_out_in_india-news-34203.php
