Well this is good news for T-Mobile users if they want to use a Cingular 8125.
Cool, just found a hack for unlocking your 8125 or MDA.
If you’ve got an T-Mobile MDA or a Cingular 8125 and are planning to switch from one GSM provider to the other, here’s a guide to unlocking your phone so you don’t have to buy a new one.
The short version of the instructions are: download the unlocking tool, run it, write down the SIM unlock code, insert the n