07-Feb-2011 03:15 PM
07-Feb-2011 03:28 PM
09-Feb-2011 11:52 AM
Also check if battery contacts are clean, when the phone asks for more juice and battery doesn't cope with it, a shutdown is likelly, if you're think in cleaning them use something non metallic and soft... also, be careful into not bending anything...
Be advised that 5800 has hardware issues that no matter what you do will appear soon or later (low temperatures or air humidity trigger those fairly fast)