Does best buy carry Tmobile as a carrier?

I currently have Tmobile as my carrier. I'm wanting to upgrade my Iphone to the newest one. Right now IIm just looking and comparing prices. I looked at the best buy website and they don't seem to carry tmobile, just verizon, at&t and I believe sprint. I was wonderinf if I could buy a phone from best buy and program it to work with my tmobile number. I'm sorry if this sounds like a dumb question I'm really new to all this.

Is my family poor, middle class, or rich?

So I wanted to know where we're like class wise so here it goes I'm NOT TRYING TO BRAG IN ANY WAY.
So well first my parents got a 30000 kitchen remodel took them about 10 months to pay of the 30000
Then I got a dog she was purebred shih tzu 2,400 got a smal discount though
Then me and my mom went on a 600-700 dollar vacation just for fun
I go on small vacations once or twice a year sometimes big ones
My dance cost a little over a month
I get 60 dollars a month to hang with friends
House is one story 1500sq ft
Have my own room full memory foam matress bed
We have 3 flat screens one for every bedroom
And a projector with a big screen
Everyone in my family has phones my mom and sister has galaxy 6 I have iPhone 6s i don't know what my dad has lol everyone has their own hp laptop mines a probook 440s
We have a 2009 Honda odessey and a 2013 Honda Civic
I will get a car whem I'm 16 gas will be payed for by parents
Also am I spoiled? I get what I want a lot. We always eat out have no financial insecurities
And my parents won't tell me their income but I'm guessing around 90k after taxes

Blackberry Pgp S/Mime Encrypted Mobile Phones With Latest Pgp S/Mime Encryption for Os 10?

Why is important to encrypt Your Business Email? What phone encryption services are used? How Do I Use this service?
As already known the XXI century is the century of the speed and portability of communication managed successfully with mobile devices. In now days in every house there are at least 2 mobile phones and in business areas mobility and receipt of information is vital and a key factor for any business. But with all of these benefits as we already used to, where a sensitive information existed that can be valued they are also perpetrators or third parties that can use that information. A first step in the protection of information exchanged was made through mobile encryption using PGP private keys to encrypt E-mail information sent in network. The Blackberry PGP is even now the most popular device of this kind in the market. Some companies like TOPSMIME went this to next level implementing the S/MIME protocol not only for Blackberry encrypted phones but also for other popular phones releasing products like: iphone s/mime or android s/mime. To increase even more the security they developed extra layers of safety unmatched in the market like: Hidden DNS; Close Network; Private E-mail Server; No public S/MIME certificate or PGP keys exposed.
Website: http://www.topsmime.com/

Facebook messenger on iPhone won't let me send messages to anyone?

I just made a new Facebook and the Facebook I was using before didn't have this problem. I can press send but right away the red exclamation mark appears next to a message I attempted to send and the error says that there was a problem connecting to messenger. I tried on my Iphone AND my Ipad and it won't work on either one. I tried deleting the app and downloading it, I tried logging in and logging out, I tried restarting my devices and nothing will work.

What should I do about my IPhone?

My iPhone got water damaged, I took it to a repair shop and they had to replace all the parts except the motherboard. It cost me $200. When I left the shop it was working, but the phone was very hot and the battery was draining very quickly. When I got home, I turned it off, removed the case and let it cool down. I tried to turn it on a few hours later but now it only turns on when plugged in and even then never gets past the apple logo. I tried to restore it with ITunes but it didn't register the device, so I think they gave me a bad battery. Can I go back and ask for a new battery? If not, can I get my $200 back? Or is there anything I can do myself to recover the phone?

Do i need to unlock an at&t iphone to use it for verizon?

Do i need to unlock an at&t iphone to use it for verizon? - 1

Added (1). or can they just take the sim and put a new one in? Read both options when i googled it

Added (2). or can they just take the sim and put a new one in? Read both options when i googled it

Added (3). its an old iphone that hasn't been used in a long time so i'm not sure how the request to get it unlocked works