GPG unlock U6226 cần giúp

máy mang mang từ campuchia về lắp sim báo Invalid Sim
chọn netword unlock thì nó báo như sau
Initializing...
DA_LIB_VER_3.6.7.1
It is sensing the pinout fast,please hold on the phone Power key
RXD=4 TXD=3
Connecting...Please hold on the POWER key until the red gauge is going...
Any errors please select another boot and try again.
BB:6226, HardwareVer:8A02, SoftwareVer:8A01
Read info...ok, Waitting enter meta...
Connected...can release Power button now, tracking...
checking network/sp/sim lock status...
not exist or unsupport.

có phải do gpg ko sp unlock được nó ko ?