At its peak, Viber for Java was available for popular handsets like the series (308, 310, and 311). It allowed users to send free text messages and photos over Wi-Fi or 2G/3G data, bypasssing traditional SMS costs. Key Features for J2ME Devices
In the past, users would typically download a .jar or .jad file directly to their phone's memory to install the application. Viber For Java J2me
Early versions of the service for calling non-Viber numbers at lower rates. Installation and Current Status At its peak, Viber for Java was available