I am running stock 4.3. I just updated a week ago. No root done or anything. Everything was working fine until tonight. I tried out the xperia themes. It installed and successfully. I then decided to turn my phone off. When I try to turn my phone on, it just goes to a boot loop. It shows all the sony and xperia splash screens then after that it shows a black screen for a few seconds and then turns off and then it repeats. How can I fix this?