Asus ZenWatch 3 推出了 OTA 更新，最新版本為 WI503Q_MWF76，加入了多項改進，包括新增多個 Watch face themes。
令次更新改善了 Bluetooth 和 Wifi 連線的穩定性，刪除 Charging/Discharging 通知，加入 Discharging 通知音效，更新字詞翻譯，加入 ECO Mode 設定。而 Android Security Update 亦更新至 Dec 2016。
用戶設定方面，加入了 Button Settings，在 Watch Faces 增加了新主題。
【Release Note】
1.Fix security vulnerabilities ( Update to Dec 2016 of Android Security Bulletins )
2.Improve the accuracy of algorithm.
3.Improve the stability of Bluetooth and Wi-Fi connection.
4.Remove charging/discharging notification message
5.Update translations in various languages
6.Add notification sound when discharging
7.Support algorithm of falling detection (ZenWatch Manager companion app v3.2.0.161220 is needed)
8.Support ECO mode setting in the ZenWatch 3
9.Support “Button setting” for user customization
10.Add new themes for watch face of Aureole, Golden Era, Silver Ribbon, Ostra, Geometry, Signature, Cruise.
Source: Asus ZenTalk