Hi,

I have recently been having a couple of problems with my z5.  The phone turns off randomly.. If I try to turn it back on shows the red battery symbol on screen and won't turn on. Currently the only way to turn it back on is to plug it in and then turn on.   It will then power up and says I have plenty of battery, I can then remove from the power lead. Happened today again and when I plugged it in and turned it back on said it still had 74% battery. Is this a battery error?