Yes, you can sell your phone without being unlocked to a person that already has T-Mobile.
Good luck

You could use ebay or search a local store, where they purchase old electronic devices and would pay you a good amount.

Hi Dylan,

Helping environment by selling your old mobile phones, old mobile phones are useful to other nations or can be recycled and reuse in new products.
<... Read more

Envirofone mobile phone recycling company offer maximum benefits while buying ethical products and services and monthly competitions to win great prizes.

Once, we sell mobile phone to a phone recycling company, the mobile phone go through a detailed check for its state of condition. If the phone is in working condition it is shipped... Read more

Well, you seem to have a confusion, so, see here technical explanation - Refurbishment is a process of maintenance of an item, either aesthetically or mechanically. However, recycl... Read more

Hi,
Mobile phone cloning is an of copying the identity of one mobile telephone to another. Cloning involves modifying or replacing the EPROM in the phone with a new chip, wh... Read more

I suggest you to sell your mobile phone to a mobile phone recycling company which pays good amount for your mobile phone. You can find the good recycling company by using this webs... Read more

Hi Plytia,

Thanks for your good explanation and suggestion. So, payment will fully depend on the condition of the mobile phone, which is to be recycled by mobile pho... Read more