If one is using eVo, it often tends to disconnect. This method also allows to get rid of shitty eVo connecting software.
Here is quite useful guide..
How to reconnect USB/3G/PTCL eVo 3G automatically upon disconnection/system start-up? | TechChowk
Here is quite useful guide..
How to reconnect USB/3G/PTCL eVo 3G automatically upon disconnection/system start-up? | TechChowk