Here we will show you step-by-step guide how to unlock modem Prolink PHS300
1). Download DC unlocker ( DCCRAP.rar )
2). Extract it to a folder ( both .exe and .dll )
3). Plug your PHS300 modem with an unaccepted SIM
4). Run dccrap.exe then this window appear
5). In Select manufacturer, choose ZTE datacards and Select model, choose Auto
6). Press on the Loop(detect card) to detect your modem card
(This will be seen if your modem PHS300 is already unlocked or an accepted operator SIM is inserted)
7). To proceed to unlock your PHS300, In SIM Lock status must show locked.
8). Click on Unlocking then Press Unlock. ( Your modem PHS300 now is unlocked)
new profile for you network provider (Using APN and User name and
password), try to connect to the internet now.