Switching an iPhone 4 from Verizon to T-mobile?
I'm on T-mobile. I'm planning on buying a Verizon iPhone 4 tomorrow because I've heard all I would need to do is put my T-mobile sim card into the phone. Is this true? I want to be sure it'll work before I buy it.
If that won't work, what do I need to do? Do I need to jailbreak it? How do I jailbreak it if I need to?
Thanks in advance!
Added (1). Is unlocking the same thing as jailbreaking? Or are they two different things?
If your phone is unlocked then you just need to put the t-moblie sim card in.
if your phone is not unlocked then i will not work it will only work with verizon or whatever company you bought it from. If its not unlocked i thing you can unlock it watch a video on youtube how to unlock.
They are two different things.
A Verizon phone will only work with Verizon service. The term "unlocking" means to remove the carrier locks from a GSM phone, like T-Mobile or AT&T, which use SIM cards to attach you to your account. The SIM is you, but a phone from either carrier is locked so that it will only work on that carrier. Unlocking allows you to (mostly) use any GSM phone on any GSM network.
Back to Verizon, which is a CDMA carrier. CDMA locks the entire phone to you, and does not use SIM cards. A CDMA phone will only work with it's carrier, nobody else. It is possible to "flash" the firmware of the phone to make it work with a different CDMA carrier like Sprint or Cricket (which is where all stolen CDMA phones end up, by the way) but then it will only work with that carrier until flashed again.
Now, to make it even more confusing, the FCC has made a change in the rules so that CDMA smart phones use SIM cards, and some are capable of working on either a CDMA or GSM network. They probably won't have 100% functionality, but some parts will work.
I don't know if an iPhone 4 was made before or after the rule change. If before, it just flat out won't work. If after, it might work to some extent, but will still be a poor substitute for buying the proper type of phone to begin with.
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