Downgrading 6.1.4 iPhone 5 A5chip?

Can you downgrade an iPhone5 on 6.1.4, using another persons iTunes with a lower firmware? Is this possible in DFU/recovery mode. Will the A5 chip deny or refuse to go backwards?
Also would this process have to be done from an A1429 device to another A1429 device or doesn't it have to be the same?

please could anyone respond with a positive non positive answer.

Nokia lumia 1020 or HTC One or iPhone 5S?

I have to get a new phone in October because my S4 isn't working and please don't ask me to fix it. It was my worst experience with a phone. Which among the three will you choose?

Added (1). I'm selling the S4 and saving up some extra money for the phone I'm going to get. I have to buy my phone some time in October

Can't restore my iPhone 3gs?

I was trying to restore and update my iPhone 3gs, however, forgot to change SHSH blobs from Cydia ones to official ones, and clicked restore button on iTunes. The IOS was deleted, however, wasn't installed, because I was getting error all the time. After that, when I tried to change SHSH blobs, I wasn't able to do it, as the programs were not able to recognize me iPhone when I plugged it in. So what I got now: iPhone with no IOS, and I'm stuck, I can't install IOS.

What's the iPhone app called?

You have a grid of letters and you have to try and find your OWN words its like a word search but you have to find you own words and when you find them you have to draw a line through the word it can be any word 2 letters words or 8 lettered words and each word is worth a different amount of points it's not SCRAMBLE OR WORDS. You also have a time limit in which you can find the words

Does it cost money to receive and open text messages while abroad?

I'm in Korea right now and I received some texts from friends who are in the US. I didn't open the texts because I'm afraid I might be charged. I have Verizon and I turned off the roaming option and I turned off all of my cellular data I have an iPhone if that matters. I'm pretty sure it'll cost extra for me to reply back, but does anyone know if I'll be charged for opening texts?

How to switch to a white iphone 5?

I had the black iphone 5 for 7 weeks now. I'm very unhappy with it. The phone itself is flawless, works like a charm. But the color is just driving me crazy. I just want white really bad but if I go to AT&T and they don't let me switch or do something about it what do I do? I don't want to pay over $100 a month for a phone that I don't like.