Is my old iPhone interfering with my current iPhone?

Hello so I sold my old iPhone 6 to a person in my neighborhood a few weeks ago and recently my phone has had trouble connecting to Wi-Fi and my cellular data. Is it possible that my iPhone is being interfered with by my old one? If so should I ask him to reset his network settings or something? P.s. He lives fairly close to me.

Is builders brand iPhones legit?

I'm looking for a cheap iPhone 6s plus and I saw this website I couldn't find anything on it like reviews and I was wondering if anyone has bought from them before.

Why won't YouTube won't play videos on my iPhone?

My phone randomly stopped playing YouTube videos. It just shows that it is loading and never play. I have great Wi-Fi connection. Every other app including Netflix runs smoothly. It doesn't work on the app or browser. I cleared the cache on my browser. I reset my phone. My phone and the app are updated completely. I have no idea what to do.

Personalized folders on iphone photos?

So I just graduated HS and it feels like it was all in the past so I want all the pictures I have taken until this point to be in one folder and the pictures I will take from now on somewhere else… What can i do on my Iphone?

Should I get a new phone?

I'm so frustrated with my iPhone 6s Plus it will not connect to any Wi-Fi. I've rested and restored this phone so many times I don't know what to do. I've only had this phone since last August and virtually no damage to it. It's still under apple 1 year warranty.

Added (1). Yeah @stick that's not an answer that's a opinion. Remember when Samsung phones exploded? Yeah avoiding those like the plague…

Added (2). Yeah @stick that's not an answer that's a opinion. Remember when Samsung phones exploded? Yeah avoiding those like the plague…

Free Diapers, Wipes, and Other Stuff?

GUYS! You can roll dice and win prizes. It's that simple. I've been playing for a day and a half and I have enough tickets to redeem a cell phone case for my iPhone 7 plus, a cutting board, baby wipes, or a pair of sunglasses. I have 3,632 tickets. You can redeem prizes starting at 1500 tickets. They are SO easy to get. Download the app called "Very Dice" and enter the code referral 387258 to get 500 free rolls. Just trying to help some people out!

What ringtone might i be searching for?

It probably belongs to iphone or sony. Its in my head but since it has no lyrics i can't find it anywhere. But almost everyones phones ring with that slow sound. What might it be?