How to unlock C2105 ?

[gsm_unlock2]

Hi.

I try to unlock C2105.
What is wrong?

4SE - client 2.0.3
Checking connection...OK
Connecting server using license2545...OK
        License name: 1 Day License
        Time left: 23 hours
        Credits available: 10 (used: 0)
Selected model: Xperia™ L (C2105)
Selected operation: Unlock by signature
Selected interface: USB (EROM)
Checking USB driver status...OK (SEMC Flash Device v2.2.0.5 | 2-22-2011)
Remove battery, wait a few seconds and insert it back
Plug USB cable holding "Volume Down" button
Connected to USB1
You can now release the keys and allow the process to run. Do not disconnect the phone
Device identification...OK
        Chip:MSM8230 Model:C2105 IMEI:35786505-431171-2 AID:0001 Color:RED
        DEVICE_ID: 0465CC2B
        EROM: 1269-1300 S1_Boot_MSM_8X30_R1_25
Uploading logic MSM8230:
        Sending LoaderLIVE...OK
        Detecting flash type...OK
                ID: SSD
                Size: 7456 Mb
        OTP: LOCKED
        Reading TA security data...OK
Reading phone information...OK
Reading SIMLock data...OK
Processing SIMLock signature...
Signature request failed with message: License check failed (Requested action is not allowed for the license)
STOPPED [7sec]

[gsm_unlock2]

And So-03D too.

4SE - client 2.0.3
Checking connection...OK
Connecting server using license2545...OK
        License name: 1 Day License
        Time left: 23 hours
        Credits available: 10 (used: 0)
Selected model: Xperia™ acro HD (SO-03D)
Selected operation: Unlock by signature
Selected interface: USB (EROM)
Checking USB driver status...OK (SEMC Flash Device v2.2.0.5 | 2-22-2011)
Remove battery, wait a few seconds and insert it back
Plug USB cable holding "Volume Down" button
Connected to USB1
You can now release the keys and allow the process to run. Do not disconnect the phone
Device identification...OK
        Chip:MSM8x60 Model:SO-03D IMEI:35190605-716170-8 AID:0001 Color:RED
        DEVICE_ID: 3F2B8E02
        EROM: 1247-3874 R10CA003
Uploading logic MSM8x60:
        Sending LoaderLIVE...OK
        Detecting flash type...OK
                ID: SSD
                Size: 14910 Mb
        OTP: LOCKED
        Reading TA security data...OK
Reading phone information...OK
Reading SIMLock data...OK
Processing SIMLock signature...
Signature request failed with message: License check failed (Requested action is not allowed for the license)
STOPPED [10sec]