Japan? Can i take iPhone 5 over there?

I'm moving to japan for 3 years because I'm getting orders over there and I'm moving to an american base but i still want to use my iPhone 5, can i use it over there? Do they have Verizon over at japan or what do i do with my iphone?

Ios 8 or a bigger problem on my IPhone 5c?

Okay, so i recently did the ios8 update and now my phone is weird… The Wi-Fi WILL NOT connect, not even scan or detect and networks, and my time is not correct. I admit, i do drop my phone a lot, but i'm not sure. I have restarted my networks, held the home/lock button and reset it, and have turned it off completely… Please help. What do i do?

Posting videos to Instagram

I recently made a football (soccer) page and want to post videos i edited from my laptop but how do i post them cause when i put it on my iPhone it saved in the videos app not the photos and instagram only post from there

AT&T contract iphone 6, LTE->Voice Only option meaning?

Anyone knows that on AT&T contract iphone 6, under settings, then under Cellular, there's one option "Enable LTE", under which you have 2 choices: Off & Voice Only, what do they mean? Especially the 'Voice Only' meaning?

Should I buy iPhone 5s or iphone 4?

My cousin have it too but it looks nice because most people have that. But I'm 17 and I want save money and buy iPhone 5s or iphone 4. I know some people can drop it and their iPhone screen was crack. It's a lot cost and I don't know if I should buy it this week or save money for Christmas. What do you think?

When can I pick up my IPhone 6?

So last week on friday I pre-ordered an Iphone 6. They told me that i would have to wait 2-6 week until i can pick it up. But today my friend said he pre ordered his and he was gonna pick it up today. Can I pick mine up? Btw i pre ordered mine at a sprint store.

Why won't my new iPhone 6 (AT&T) send or receive texts/calls?

I activated it two hours ago and backed it up with the data and phone number from my old iPhone 4. Both phones now read AT&T and show cellular signal and data in the top left hand corner. But when you text or call my phone number, the iPhone 4 receives it. Why won't my new phone receive it?