Simple Answer...No
I switch my sim card al the time when my brother-in-law gets a new phone, he has a contract w/ nextel and I have a pre-paid boost mobile, so yes you can
A contract phone is a phone that you pay a monthly rate for, and have to keep paying for. They're usually cheaper, but with a prepaid phone, you can stop your service at any time without breaking the contract.
Sprint provides a prepaid phone service with no contract. Sprint offers affordable solutions for those who want prepaid cell phones, and are reliable.
Many companies are offering prepaid phones today. Prepaid phones are cellular phones that one does not have to carry a contract with. With these phones one will prepay for cellular service. This means one will pay for the cellular service before you use it.
There are man cell phones out there with no contract. Those are prepaid phones. T-Mobile prepaid has monthly plans that you can switch when the 30 days of using the service end.
One major advantage of having a prepaid cell phone is that you are not bound by a contract. Many non-prepaid cell phones require a minimum two year contract. Another advantage is that with prepaid, you pay for minutes in advance, so you never have to worry about going over your minutes and paying overage fees.
Tmobile does have prepaid phones without the contact. You can get unlimited text, unlimited data, and 100+ minutes to talk for about 30$. The Tmobile website has more details.
Prepaid cell phones are the premier option in cell phones requiring no contract. Those using cellular service a small amount of time per month can purchase minutes as they go without wasting minutes. Parents purchasing a cell phone for a young child opt for a prepaid plan to ensure minutes will not be wasted and encourage responsible cell phone use.
Yes T-Mobile has some smartphones available which that you can get with one of their prepaid ( no contract) plans. They cost a little more than the phones you can get with a contract though.
I believe that a no contract cell phone plans are plans without pieces of papers to tell you what the instructions are for you when paying the phones. You wing it.
The phones that are available for the no contract prepaid plan with T-mobile are Concord, Nokia X2, T Mobile 665, LG Optimus, My Touch, Blackberry Curve, and just about any Samsung phone. All T-mobile phones are also available to use prepaid.
You can go to your local Wal Mart and find many prepaid mobile phones without contracts. All you need to do is buy the phone and the minutes. Then when you get home, follow the manufacturer's directions for activation.
The only drawback may be the handset selection with no contract carriers. These companies are trying to close that gap and provide a great cell phone option. Cell phones without contracts generally implies a prepaid cell phone. Prepaid phones themselves aren't free, as the carrier isn't recuperating the money in a contract, and they typically cost more to use, about 2-3 times per minute what you might pay under a contract. Also, because the phones have limited time on them, you can run out of minutes at an inconvenient time.