Ever wonder how to send sms messages from PC to a MetroPCS phone?
You can text E-mail a MetroPCS phone. Just log into your E-mail account. Then send E-mail
and type out what you want to say. Then send.
You can also send text messages via instant messaging clients. People/Person can reply back to you.
AIM: send a text message to +110digitphone number (ex: +12155551212).
The recipient can set their AIM mobile preferences to block such
messages, but it should work otherwise. This method is completely free
for the sender; the recipient will be charged according to their
MSN: add a mobile phone number to a contact, then send a message. (There may be a charge for this service).
Yahoo: add a mobile contact, then send a message. (There may be a charge for this service).
Tips and Tricks Blog