IPhone vs other smartphones?

Ok so currently I have the iPhone 4 which i love very much! I've been due for an upgrade for about two months but I can't decide which phone to get? I have been looking at a few of the other popular smartphones such as: Samsung Galaxy s4, HTC one, or whether to stick with Apple and get yet another iPhone. I love my iPhone but I feel like there are many other possibilities with other phones. Another thing I'm worried about is not being able to use emojis because I use them daily!

Can't Sleep? I need advice on how to?

When i try to fall asleep at night, i'm unabled to do so.
Some days i'm on my iphone, i know i won't go to sleep then. But when i don't, i still can't.
its like i don't feel tired, and i do feel tired at the same time
it is completly weird

Does iMessage need a data plan?

So i have a blackberry plan that does not allow for data, but it does have unlimited text. I want to use the sim card on my iphone 4. I wanted to know if I could use iMessage even if i don't have data.

What do I need for my shattered iPhone 5?

I broke my iPhone 5 screen and I'm not sure one the part I need to replace it, I'm also thinking if getting a red front and back, where could I find the right parts?

Iphone Wi-Fi only connects in a certain place?

My Iphone4 only connects to Wi-Fi when I'm sat in a certain place, e.g. When I'm in my living room it will connect perfectly, but when I go upstairs to my bedroon or whatever my Wi-Fi messes up and goes onto 3G and doesn't find my Wi-Fi name, so I have to use my internet data up?
Why does my phone do this? How can I solve it if I can?

Can I control my files on iCloud on a new laptop?

I have an iPhone 4 and I always backup my files on iCloud.
Due to lack of memory, I backup my photos then delete them on camera roll.
I don't have any other Apple device other than my iPhone but I will be having a Macbook Pro soon.
I was wondering, could I find my backed up files on my (future) Macbook once I connect my iCloud account?
And could I also find my deleted iPhone files on iCloud?

How to get my kid to not cry when not given iphone?

My daighter is 1 and 3 months and it has gotten me frustrated that whenever i pull out my phone she wants to play with it and use it. When i say to
Her that phones are not for babies she cries and throws a tantrum i was wondering if there was any suggestions in how to be able to pull out my phone with out her wanting it or throwing a tantrum?

Iphone got wet. Screen doesn't work?

I dropped my iPhone in the swimming pool… Now the screen doesn't work. I can receive calls and the vibrator works too. I've kept it in rice for days and still doesn't work. Do I need to buy a new screen or should I go to the apple store?