i have t mobile service. but i want to buy a sidekick on ebay.will i have to unlock it. will t mobile do it for me. or will it work if i just switch my sim card.
Unlocking is the process of releasing the network lock.So that you can use it with any network. T-mobile will unlock your mobile ..Or you may get it from online providers.
If you need an unlocking service, get it from Superunlockcodes.com .Through this you can unlock your mobile easily.