So i was on my iphone 4 the other day...

[jesusplay]

just looking at every thing thats on it, playing around with multitasking...etc

and at the top of my screen it flashed "green" (like when you're in a call and u look at other apps) like 20 times in 5 seconds....WTH?

 

[rotobadger]

just looking at every thing thats on it, playing around with multitasking...etc

and at the top of my screen it flashed "green" (like when you're in a call and u look at other apps) like 20 times in 5 seconds....WTH?

Same with me. But just once. It hasn't happened again.

 

[Hellishness]

I'd just ignore it. iOS software tends to be riddled with slight bugs like this.