The other day i was just sitting there and my screen turned completely blue. I wasnt able to turn it off properly so i opened it up and i pulled the battery. Now, my phone has been having a lot of problems. I was able to turn the phone on, and however it crashes with no error messages or anything maybe a minute later. It is not the battery, as it is fully charged. I decided to hard reset my phone. I am still able to turn on my phone, however, after around 5 minutes, it crashes. no error messages or anything. it just goes black. Any idea what it might be and why? or a solution? anything is helpful, thanks.