Facebook Chat By Msonar For Java Phones -

Note: The app is non-functional as of ~2015 due to Facebook shutting down the XMPP gateway. But for historical and UI exploration, emulators work perfectly.

Users typically had to:

If you'd like, I can help you find a download link for the official app or suggest a modern low-cost smartphone that supports the full version of Messenger. facebook chat by msonar for java phones

Java phones rarely had 3G, let alone 4G. They ran on GPRS and EDGE (2.5G). The official Facebook chat in the browser required constant page refreshes. Msonar’s app used a persistent background connection (or efficient polling) that mimicked push notifications. Messages arrived almost instantly, and typing was lag-free. Note: The app is non-functional as of ~2015

mSONAR was a third-party instant messaging (IM) application specifically designed for Java-enabled feature phones. Unlike the official Facebook app (which was often unavailable or extremely basic on Java), mSONAR focused on one thing: reliable, fast, and data-efficient Facebook Chat. Java phones rarely had 3G, let alone 4G

The app was designed specifically for devices. These were phones that could run .jar and .jad files. Msonar stripped away everything unnecessary: no news feed, no photo albums, no friend requests. It did one thing and did it brilliantly: real-time Facebook messaging on a keypad phone.

| Feature | Official Facebook for Java | Msonar Facebook Chat | | :--- | :--- | :--- | | | 800 KB - 1.5 MB | 150 KB - 300 KB | | RAM Usage | High (often crashed on low-end phones) | Low (stable on 128 KB RAM) | | Chat Speed | Slow (full page reloads) | Fast (dedicated chat protocol) | | Notifications | Unreliable (app had to be open) | Excellent (background alert) | | Battery Drain | High | Moderate | | News Feed | Yes (bloated) | No (chat only) |