I tried installing CM into my moto g, but it didnt go so well so i flashed stock rom and it worked fine. I tried to update the stock (4.4) to Lollipop and it was showing a progress bar it was going well. I leave my phone there and went to do something and when i came back to check the the progress, the screen was off. I tried to power it on several times and even tired holding down the volume button but it wont power up. The charger wasn't plugged when it was updating but the battery percentage was over 70%. Can someone help me?