Sony LT26i problema pra desbloquea

Bom dia amigos, to tendo problema pra desblequear varios modelos ejemplo LT26i, MT11a y WT19a, nao to conseguindo fazer unlock y ta muito caro o credito pra esa ferramenta nao ta soportando... eu acho que The lazer deveria especificar cual modelo exacto ta soportando porque pagar em vau na da...

Aqui o error que aparece no LT26i

Setool: V1.1298

PLEASE ATTACH TURNED OFF PHONE NOW
PRESS AND HOLD "BACK" OR "VOLUME DOWN" BUTTON ...
 
RUNNING S1_BOOT VER "R10C008"
 
ACTIVE_COMP_AID : 0001
HWCONF_AID : 0001
LOADER_AID : 0001
BOOT_AID : 0001
 
can't get S1 command header
error while uploading DATA block
LOADER NOT STARTED
FAILED TO SETUP PHONE
Unlock FAILED

WT19a

SIGNED MODE (USING SERVER)
ALTERNATIVE SECURITY BYPASS ENABLED
CFG:110010000000
 
DETACH USB CABLE FROM PHONE
REMOVE BATTERY FROM PHONE
ATTACH TESTPOINT
PRESS "READY", THEN ATTACH USB CABLE TO PHONE
 
PROCESSING ...
REMOVE TESTPOINT NOW, THEN PRESS "READY"
 
qcReceivePacket: can't get packet start.
FAILED TO SETUP PHONE
Unlock FAILED
Elapsed: 117 secs.

Agradezo uma ayuda...