Dns Bypass Unlock Activation No Longer Is Working? IPHONE 6 PLUS?

I simply entered the dns servers that was usa and i followed the videos also and all of a sudden the DNS servers stopped working for my phone at first it was working now its not at all. Two of my wifis from my home popped up on my phone so is that maybe why it won't connect? Because even when i did have two it was connecting

Can I use a locked iPhone without a Sim card?

I have a locked iPhone 6 to Telus. If I use my friends Telus Sim card to set up the phone and after it is set up, take the Sim card out, will I still be able to use it? Or will it only work if I keep the Telus Sim card in?

Will my photos transfer to my moms computer?

Okay, so a few months back, my mom got an iPhone 7, and when she transferred all her stuff to her new phone, all my photos(and hers) ended up on hers. So when she transfers all her stuff from her old computer to the knew one using a hard drive, will my photos from my phone end up on it?

Anyone else experience problems with iTunes?

Whenever I try to use iTunes on my computer or iphone, sometimes random songs get deleted, random albums get created, and a few times I opened it up to find that every single one of my songs had been deleted. Everything was gone. I'm really irritated right now, has anyone ever experienced these kinds of problems with iTunes?