What's wrong with my iPhone 4

[ericxd]

It's not jailbroken, 4.3.3 out of the box but the 'most viewed' videos on the YouTube apps just doesnt update, especially the daily ones. why?

 

[Peterson8765]

Try resetting or doing a hard reset on your iPhone

 

[Statusnone88]

Yeah it's a damn shame you won't be able to see those hipster front page videos a little more quickly...

 

[marsmissions]

Press and hold sleep/wake button and home button simultaneously.

Slide to power off

Press and hold sleep/wake button to turn back on.

See if this helps.