Is this phone unlocked from the carrier?

I'm purchasing a used iphone, and the seller does not have the same carrier as i do. The seller claims that he had went to a different country and called on it 2 years ago. Does that mean it is unlocked?

Should I buy an IPhone 7 Plus or MacBook Air?

Ok so here is the deal. I need both a laptop and a new phone but I can only get one. The phone I currently have is an android and freezes and iPhones are cool and updated. I don't have a laptop but I have an iPad mini three. Eventually I would get a MacBook, I just don't know when.

How do I send an item back on eBay?

I want to return an iPhone back to a seller and I was wondering if i could just put it in an envelope with bubble wrap and write the address on with pen?

How can i reset my iphone but keep all my stuff backed up?

I have a **** ton of screenshots of memes and stuff on my iphone and it took up almost all the space but i also have alot of family pics and stuff… I want to reset my phone i get my storage back but i don't want to loose it forever yes i know i know you can backup your phone with itunes but if i back up my reset phone it will overwrite the old backup how can i keep a old backup and have a new backup?

Can you text/Call in the Bahamas with AT&T?

My girlfriend is in the Bahamas she has AT&T, I haven't heard from her. She has iPhone, when I text her like iMessage it was taking a while to say delivered and when I call her phone i hear nothing and it goes to voicemail or I'll hear a dial tone then to voicemail.Could it be no reception?

Going to another country. Can I use my cell phone there?

I have an iPhone (at&t). I was wondering if I can still use my cell phone in another country (in Central America) for texting. I wouldn't be making any phone calls. I know this might be a dumb question but I really don't know.