How to switch an iPhone to tmobile?

How do you switch an iPhone to tmobile?

It depends on the carrier that it starts on.
First you have to unlock the phone. Unlocking the phone is jailbreaking it so it WILL VOID the warranty!

The software you'll use to unlock your phone is called Blackra1n. Depending on the model and OS you're running on the iPhone will depend on version of Blackra1n you'll use.

To download Blackra1n go here: http://blackra1n.com/
Then follow the steps.

FIRST BACK UP YOUR IPHONE! Before you unlock it

  • Would I be able to switch carriers without having to switch phones? I'm with Consumer Cellular and I have an iPhone SE, but I'm thinking of switching carriers so that I can get unlimited data. I don't want to get a new phone because I've had my current one about six months, I really like it, and it works great. I'm not locked into a contract with Consumer Cellular. Would I be able to switch to another carrier without having to purchase a new phone?
  • Tmobile user should buy jailbreak iPhone or factory unlocked iPhone? Hello guys I'm a tmobile customer. I want a iPhone desperately. Now do you think it's worth it to save $650 for a factory unlocked iPhone. Or save a few bucks in buying an AT&T iPhone and jailbreaking it? What are the pros and cons of it. What do you think?
  • Is the tmobile iPhone 5 already unlock? And will the tmobile 5 work on AT&T? I have recently been looking at buying an iPhone 5 and I found someone, but they have tmobile an I have AT&T. Will it work on AT&T? Also, how much would the newer SIM card be?
  • Iphone 5 to iphone 5s tmobile? I just bought the iphone 5 about 4-5 months ago on tmobile and now the iphone 5s is out, i didn't use my JUMP program, can i still change from my iphone 5 to an iPhone 5s? How does that work if i already made a down payment and a few payments towards my iphone 5? Will they use the iphone 5 as a payment towards it? I've been a customer for 7 years