My iphone won't connect to the Wi-Fi?

I took out my iphone 4 battery and now its charging so it won't turn off, but it won't let me switch the Wi-Fi to on, its just off the whole time

How long will Apple support iPhone 4?

I bought my iPhone 4 in 2010, and I just wonder how long does Apple provide support for their product prior to release date.
I know that Apple doesn't support iPhone 3G already since 2011, and it's seem that they only support their product for 3 years.

So what about iPhone 4?

Can I iMessage someone from another country using my email?

I recently bought an iPhone and I want to know if I can iMessage someone from Australia using my email and will my phone company charge me for it? My Aussie friend managed to send me a text, but will it charge me if I reply to his number using my email?

Cute Asian picture editing apps for iPhone?

I've seen some pictures on Instagram that had white stickers on them of Totorro and cute stars and stuff. Does anyone know any good apps that put simple, Asianistic, and cute stickers on pictures for iPhone?

Cancel Verizon text plan bc of IMessage?

I have an iPhone on Verizon and so do all of my friends that I text message. I use iMessage with all of them and I was wondering why am I paying $10 a month for something I don't use? I do have one friend I text once in awhile that doesn't use iMessage but has Verizon.
Can I cancel my text plan and just use Verizon to Verizon or iMessage to iMessage?
Fyi. I don't have Wi-Fi I just use the 3G, but I have unlimited data.

Iphone 4s over capacity by 200 mb?

Ok so i just had about 1 gb left on my iphone then after a synced it to itunes to backup my iphone said storage was full. I plugged it in to itunes to delete some stuff about 5 photos then it was overcapacity by 200mb. WTF is doing this i never downloaded anything & itunes did not sync any apps automatically either.

Does the iPhone on Straight Talk use Verizon or Sprint towers?

I wanted to know if the iPhone 4S/5 on Straight Talk uses Verizon or Sprint towers. Verizon is really good in my area, and I was thinking about getting the iPhone with them… But the cost is a little too much. Sprint in our area is pretty spotty so I wanted to see what carrier the Straight Talk iPhone has. I saw on Straight Talks website that it is CDMA and to NOT use a sim card.