Iphone 3gs vs Sony Xperia U?

I just wanted a bit advice, i currently have an iphone 3gs, but i've come across the sony xperia u online (and my friends got it so i know how it works), and i love it, i like it how its so girly and i love the lighting, it looks perfect, but people say i'm downgrading instead of upgrading as i have the old iphone 3gs, is this true? Or doesn't it really matter. I'm just abit worried i will miss what's on my iphone as i've never had an adroid so it would take getting used to.

IPhone 5 unlock order problem?

I ordered my iPhone 5 unlock in Austria, and paid 130 euros, they said it will take 2-5 days for unlock to arrive or whatever. Its been almost 3 days, and still nothing. When I connect my iPhone to iTunes it still says ''The SIM card inserted in this iPhone does not appear to be supported.'' What should I do?

Winterboard not working properly?

I recently jailbroke my iphone 4s with evasi0n and installed winterboard. I don't know why but everytime i install a theme and enable it in winterboard it doesn't work. My device reboots and everything but nothing changes. Only the background might change. I have gotten themes that do not require summerboard to be on and they still do not work. I can't enable summerboard because my phone goes into a very long reboot and then to safe mode. I have tried rebooting and re jailbreaking my phone and it is still doing the same thing… Please help

Sharing mp3 file on iPhone through Whatsapp?

Can i share mp3 file (song) from my mobile with some other contact through whatsapp?
previously i was using android and i can easily share songs over it, but i can't see any option like this in iphone. Is there any way to share songs?

Is it safe to turn off iphone for 2 months?

I have turned off my iphone for 2 months.
when i turned off my iphone its battery was 58%.
is it good or bad for battery life of my iphone.

Added (1). Iphone model- iphone 4
1.5 yrs old

At&t locked iphone 4, 45 and 5?

Where can i get locked iphone 4, 4s and 5. Which r used r new in codition, where can i get this phone for cheep rates so that i can earn some money. I want to earn money of 20k. In which i was cheated buy another person and lost of 80, 000.so please tell me where can i get at&t locked phone so that i can unlock and can sell for better price. In the mean i can earn some money. Please tell me please. Its my humble resquirst to every one thanq

What's the best iPhone compatible watch to get - preferably by March 2013?

I'm looking for a new watch and this time I'm thinking of getting one that would be compatible with my iphone 4s or the new iphone 5.

I have looked into it and am amazed that there are literally only 2-3 watches to choose from. Or am I missing something? Surely, the deman is there so why are Apple (or other brands) not doing something about it?

Ideally need something with a decent interface and other than seeing who is calling, I need it to show me any text messages/emails that come through on my phone to be displayed on my watch.

So far, the most appropriate watch looks like a big bulky 'I'M WATCH'. Does anyone know anything about this watch as there are very few reviews and/or comparisons to anything else out on the market.

Another watch that I have pre ordered although unsure about is, is the PEBBLE WATCH. Anyone know anything about this at all?

Iphone is 500mb data enough?

I'm getting an iphone and I was wondering if 500mb data a month, I would only be using it for social networking and basic internet surfing and whilst i'm at home I would be using my own Wi-Fi/internet.

Problem using siri on iphone 4 ios 6.1?

I have a problem using siri in my iphone 4.recently i have upgaded to 6.1 and i have jail brake it and installed siri on my iphone 4. Its fine but when i open general>siri then i have seen that siri is been off and when i trying to enable it is done for a while when i go back and *** again i have notices that siri is been off so please tell me what to do. And i have downloaded it from ihackstore.com/repo please tell me what should i do so that siri will work in my iphone 4.
thanq