Iphone 3g will not find my home Wi-Fi network?

Hi. I have an iphone 3g which has always connected OK to my home Wi-Fi network. I have not changed anything but now it doesn't even see the network. My iphone sees other Wi-Fi networks in friends homes, and my laptop picks up mine just fine. I use windows 7 on my laptop. This is driving me mad so any help woud be greatly appreciated.

Reinstalling whatsapp on iPhone 4?

I installed whatsapp when it was free in the App Store. It's giving me trouble now and the only solution is to delete and reinstall the app. However, now the app is paid in the store. If I reinstall the app now, will I have to pay for it?

My Facebook location services aren't working on my iPhone 4S?

I'm trying to upload a video to my Facebook page but I click on the status thing that lets you do this and when I click upload existing it come up with a page saying that my location services aren't turned on. But they are. I've turned them off and on, I've uninstalled it and reinstalled it so that it comes up with a thing asking if Facebook is allowed to use my location, I click yes but it still won't work. What's wrong, how do I fix it!

Would I get an iPhone 5 through insurance?

My iPhone 3gs was stolen about 3 months ago. I have been waiting to replace it but my insurance gave me a date that I could replace it on without having to cancel my whole insurance plan out, and it has passed. As you all know, the iPhone 5 has been recently released, and I want to know if I can get the iPhone 5 under the same deductible price of 199$

Does airplane mode work on iphone 5? - 1

I bought an iphone 5 and I turned airplane mode on and threw it and it didn't fly. The screen cracked, will apple replace it with an iphone 5 that has airplane mode?

Restoring iPhone 4s, getting back your apps?

If I restore my iphone via itunes do I lose all my apps. As in if I re-connect it all the saved apps on itunes does it sync it back to your phone or do they get deleted when restore?

Ip address conflict is there someone using my network?

No one had another computer i had just reset my modem and it appeared but i was using my iphone and it was loading slow as i was trying to go on the internet i think it was connecting can iphones and nother smaller devices mistakenly use the same ip address or is it possible someone is using my internet or i'm being watched or something sounds crazy but? What do you ythink?!