I have a Nexus 4 which I forgot to charge overnight. As a result the battery died this morning and is completely unresponsive. I then plugged it into the wall and thought it was charging for an hour and a half. I noticed during that time that it would display a picture of a battery with a lightning bolt inside and then switch to the charging battery symbol. However after a few second the screen would flash and it would restart with the first battery image. When I tried to turn it on, I made it to the home screen and then displayed the text shutting down. At the same time the image of the battery in the top right corner was alternating between an exclamation mark and the charging symbol very quickly. Then the phone shut down and a red led turned on just below the screen. My friend has a blackberry and is able to charge it while using it even on an empty battery, does this phone not work this way? Is my phone charging properly? When does this become an issue that I should use my warranty with Koodo for?