One random question, friend got an S3 a few weeks back, and I nticed when its charging there's abig blue light on the top that flashes on & off, is there one on the S4 and can it be turned off if so? If I do end up getting an S4 and it flashes all night while charging, she won't be happy as she notices things like that!! 

as when I routed my nexus 7 it didn't work thats why I reverted to stock.
thankyou!
