Unlocked mobile phones enable you to choose which service provider you use. This Enables you to find the best deal available for phone charges, rather than being stuck with the network that has locked the phone.
An unlocked mobile phone can be purchased from all good mobile phone sellers. Try O2, Vodafone or Orange. Alternatively, visit webpages such as Ebay or Amazon.
You can't get a T Mobile service on a phone that's not T Mobile unless you get it unlocked. Once the phone is unlocked, you can use your T Mobile SIM card on it or any other GSM SIM cards worldwide.
Yes, An "Unlocked" Phone means you can put ANY operator ("Orange", "Vodafone" etc) SIM card in it.
Yes
You will have to first get the phone unlocked.
Unlocked phones can be used with any carrier, so it will support T-Mobile.
No you can not. If you enter a sim card that is not T-Mobile it will not read it. If the phone is unlocked then yes.
No. This phone is CDMA and cannot be unlocked.
No, T-Mobile is GSM and Verizon is CDMA so you can't switch between those two networks. Unlocked T-Mobile can be used on AT&T though.
Only if the T-Mobile phone is unlocked. If the T-Mobile phone is still locked, only T-Mobile SIMs will work.
Yes if the phone is unlocked and you get an AT&T sim.
I'm pretty sure you can as long as your phone is unlocked then yes! I hope I could help :)