Why does the Wi-Fi on my iPhone 4 keep getting disconnected?

When I'm using my phone the Wi-Fi keeps getting disconnected and goes to 3G then 4 seconds or so later it goes back on. This happens every minute.

It's either you get out of range, or your iPhone's Wi-Fi is spoilt. Move closer to the Wi-Fi area. If it does not improve, take it to Apple.

I agree with the first answer

  • Why does my music keep getting removed from playlists? In the iPhone Music app (not Apple Music) songs I've bought from iTunes keep getting removed from playlists. The songs will still be on my phone but I keep having to re-add them to the playlists.
  • Why does my iphone keep getting this error? I assume its an error at least. So when i'm listening to music on grooveshark about half through every song i get this stupid message that says "could not load movie" and resets the song or skips it. I'm very upset by this because i can't go a day without music and its been doing this for a week.
  • Why do my iPhone messages keep getting sent to my phone and another phone? Whenever a message gets sent to my iPhone 4, my brother in Vermont also gets them on his iPhone 4S. So like ill be texting my friend and he can see the entire conversation and he can type. I don't get his messages though. I just wanted to know if there's an easy way to fix this because it just started happening about three weeks ago and none of us have gotten a new phone in a year. I'm not sure if it happened when he went back to College and he crossed a state border?
  • Why can my iPhone text other iPhones when my phone is disconnected? Today around 10am my iPhone got disconnected (hadn't paid my bill yet), I went to text my aunt (who doesn't have an iPhone) and the messages wouldn't send, 30 minutes later I texted my friend who does have an iPhone and I could successfully send and receive messages. And as of 9hr later, I was able to text another person with an iPhone. What's up with this? Not complaining or anything, just curious why it's happening.