i mena you could always use the metropcs update tool from the samsug website or you can try this
1- Download QPST (Free Software,
Click Here)
2- Get your own SPC Number
Click Here & Enter Your MEID. That will be your key to unlock the phone and your password. Your MEID could be found at Settings->About Phone->Status ... it's all numbers
3- Got to Start-->All Programs-->QPST-->QPST Configuration.
4- Select your phone from the list (the phone should be in Debug Mode).
5- If you don't see your phone Click on "Add New Port" uncheck "Show Serial ....blablabla" and select the port and add it.
6- With your phone selected go to Start Clients-->Service Programing. Select the phone and click OK.
7- If a dialog came up telling you to retry click on retry.
8- Click on "Read from Phone" you will be asked for your SPC number to unlock the phone and get its information.
**** BE REALLY CAREFUL AFTER THIS POINT YOU COULD MISS-UP YOUR SERVICE AND FLASHING YOUR PHONE WILL NOT RESTORE THESE SETTING... SO TAKE EXTRA CARE FROM THIS POINT ON***
9- Go to M.IP tab and select profile 0 and edit your user name remove the "aaak." just for the first row.
10- Go to PPP Config-->Um change the user name (
Your Phone#@mymetropcs.com) and insert your SPC as the password
11- Go to PPP Config-->An change the user name (
Your Phone#@mymetropcs.com) and insert your SPC as the password
12- M.IP tab change the mobile ip behavior to: simple IP only (thanks to oscarher4)
Write to Phone (the phone should restart by itself)