Hi friend.
E5783B-230 is a consumer product.
Yes, the Mobile WiFi supports online updates.
You can go to the update page to check whether there is a new version available. If there is a new version, select it and update.
Method 1: Log in to the web-based management page and choose Advanced > Update > Check for Updates.

Method 2:
Connect your device to your Mobile WiFi's Wi-Fi network.
Open the HUAWEI SmartHome app, and log in to the web-based management page.
Touch the three dots icon in the upper right corner of the screen, and touch Device update. If a new version is detected, follow the on-screen instructions to complete the update.


I hope can help you!