Samsung Blackjack is on the marker for about a year. I have it just as long. Recently, Samsung released the updated version of the OS 6.0 for the black Jack phones. I am loving new features of the MS Office which let me work with the templates on the run. Other features are easy to use as well. For example the texting and emailing are extremely easy to use. Internet is a at finger tips and always available. Another most important feature is the battery life which lasts three days after prolonged use and abuse. I love this phone. Compared to the LG c2000 I have Black Jack is a mobile office computer....