1. power button light blinks and then screen comes on(blank) and light stops blinking.
2. when power button is pressed once, black and white battery charging indicator shows for a few seconds and then screen goes blank, power button light starts blinking again. this loops.
3. when power button is pressed for a longer time, lg logo shows for a second and then screen goes blank again.
4. all this while the phone heats up rapidly, especially the screen and battery connector.