Would I need to sign in during the preorder?

I'm preordering the iPhone x on October 27th, the carrier I'm going to use the iPhone x for is T-Mobile. I'm going to order the phone through the Apple Store app, I know that when you preorder it through sprint, Verizon, and ata&t, you will need to sign in during the preorder, but would i need to sign in when I choose T-Mobile?

Unjailbreaking iPhone 4 running in iOS 7.1.2?

I'm going to unjailbreak an iPhone 4 today. My contacts and photos are backed up on icloud. After i get the restored iphone i will download my contacts from icloud. My worry is that is it possible that icloud may backup my jailbreak tweaks and cydia? I DO NOT WANT THEM and that's why i'm asking! I seriously DO NOT want cydia and its packages back!

What kind of phone does he have?

Okay me and my online best friend's anniversary is coming up and I'm getting him a phone case HOWEVER I do not know which iPhone he has. What's a smooth way I can figure out without straight up asking him because he'll know what I'm doing if I just ask. Any ideas?

How to create my own ringtone for iPhone?

You know when you have the code of a song melody and just want to make it a ringtone. I have the code of the music sound of the song Alladain and want it as my ringtone

Should I get a Nintendo 3DS or an iPhone 5s for this Christmas?

My parents can't really give me anything newer because I have siblings and they are getting stuff too. Anyways, I'm conflicted… I want to play games so I'm leaning Nintendo 3Ds, but the DS doesn't really have alot of games that I want. I think the iPhone would be cooler and it's one screen instead of a split one but I don't really used phones to text or make calls…

Why does my phone say i called 611 when i didn't?

I was going through my call log, and it says on june 3 at 12:42 pm, i called the number 611 for 34 minutes. I never called this number, what is it? Why does my phone say i called it? If it helps, i have an iPhone 5s and use at&t.