Iphone 4 camera is slow to open?

i just bought an iphone 4 today and it seemed to load things fast and now wen i open up the camera to take a photo it is slow to load like its random but it doesnt usually load rite away somtimes it can take longer then a minute to just load the camera so i can take a pic. i click on camera and it loads slow and... show more i just bought an iphone 4 today and it seemed to load things fast and now wen i open up the camera to take a photo it is slow to load like its random but it doesnt usually load rite away somtimes it can take longer then a minute to just load the camera so i can take a pic. i click on camera and it loads slow and then i can take a pic.

also on my status bar by my battery i have like a white arrow. idk how i got it anyone kno what it means?
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