History is, History Link 1 History Link 2
it was Locked by T-Mobile.
FG Box give Unlock support. (They gave Video proof that can unlock with FG Box.)
then try to unlock but give error.
then I asked to box support, told me need to re-flash with Factory FW.
I downloaded Factory FW from FG Support and Flash it. (but give error during flash. but Mobile still power on and Normal mode, but in Settings Unknown IMEI showed.)
Then support said need full flash with DUMP file. I downloaded from support DUMP file and flash it. Now Mobile Power not on.)
Need Help to power on Mobile.