Can I make my iPhone 4 faster?

I upgraded my phone the other day and ever since then it's been messing up. Apps crash, battery drains fast even when I'm not using the phone, and it's being really slow.

If you want your battery to last Long. Don't over charge your iPhone. And maybe you have to much files on your phone.

  • What can I replace in my iPhone 4 to make it go faster? Let me start with saying that I have a lot of experience with taking the iPhone apart and am familiar with most parts. Anyways, my phone has gotten progressively slower and slower, and I'm pretty sure that there has got to be a part to replace to make it faster (motherboard maybe?). I just haven't seen any questions like this so I have no clue.
  • What can i do to make my iphone faster? It lags so much. Its a 4, but it may be defective… I don't know. It lags so friggin much. How do i make it faster?
  • Ways to make your Wi-Fi faster on iPhone? Is there a way to disable like some network stuff or something else on the iPhone 4S, to make the Wi-Fi go faster on it when your connected to a Wi-Fi signal?
  • How to make my iphone faster? Its slower than a drunk child with broken legs and down syndrome. It keeps crashing when i use pandora even. What the *** apple? *** killyourself you piece of ***, even my micrisoft products that are as old as you run faster