Opera has released an updated version of Opera Mini that is Opera mini 5.1. Opera Mini 5.1 is highly recommended for users of Nokia S40 feature phones with limited memory, such as the popular Nokia 5130 XpressMusic, Nokia 6300 and Nokia 2700 handsets. This upgrade will also benefit phones with a small screen size, such as the Sony Ericsson K550i and Sony Ericsson W810i phones. Opera Mini 5.1 comes with an improved browsing...