iOS 6.1.4 iPhone 5 WiFi

[jonasdamn]

Hello, i would like to ask if anyone had this or knows what can it be?
https://www.dropbox.com/s/fr2w27ma4d4tj1o/2013-06-08 16.27.16.mov
When i wake up iphone wifi icon appears for some ms then dissapears and backs again in some seconds. Never had this strange thing

 

[dictoresno]

When you lock the phone, wifi turns off unless its actively being used in the background. Once you wake the phone up, it immediately kicks back on. It's normal and been discussed before.