Q: My iphone 4 wifi signal is weak

Hello Bangalymontana1,

After reviewing your post, it sounds like the iPhone is having trouble with a signal. I would recommend that you read this article, it may be able to help the issue.

If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network - Apple Support

iOS and OS X: Recommended settings for Wi-Fi routers and access points - Apple Support

Thanks for using Apple Support Communities.

Have a nice day,

Mario