Is there something wrong with my new Iphone?

I just bought a new Iphone SE from AT&T and for some reason i'm only getting one bar in my house so i can't send any messages even when i get two bars it won't send. My sister and mom have at&t as well (different phones though) and they've never had problems with getting bars in are house. Could the wiring on my phone be messed up or is this just an Iphone thing?

Please explain adsense to me?

So, few weeks back like at the beginning of May, I started earning money…$203.03 on adsense… Connected with you tube. And I want to know when the money will come in… So eager because i want to buy iphone 5.

Order from UAE and Deliver to India?

How do I get something ordered from www.souq.com which is a UAE based website and how do I get that delivered to Mumbai, India? I need an iPhone from this website and for the same, I need an address for UAE location who can in turn charge me fees and ship this to India. Are there any customs issues? How to avoid this?
I'm aware of ShopandShip.com, however, they have very high registration fees of 45$. Is there any other alternate option?

How my Instagram update doesn't work?

I updated my Instagram and all that changed was the icon but when I opened it is the same. It was suppose to change to black and white. I tried resetting my iPhone and redownloading it. What's the problem?

Does data reset on the iPhone?

I had a Samsung about 6 months ago and my 1gb of data would always return to 0 on the first day of the month. I've had my i phone a couple of months and the data number has always stayed the same. Is it different?

Any Clever ways to sneak iPhones into a graduation ceremony with metal detectors?

My highschool is super super strict about carrying iPhones around but because of my PTSD, my iPhone has become sort of a crutch for me and with all the excitement of the day IIm sure I ll be sent into a anxiety attack without it on me. I talked to my councilor about it but she said just to sneak it in? But i don't know how to do that will you guys help me out?