TP260 not unlock

Checking Login and Password... OK
Ballance: 20 crd.
You have 20 credit(s) left. This operation takes 10 credits.Continue? Yes
Searching modem interface... found COM80
Reading data from phone... OK
IMEI: 354447090104626
Checking root rights... OK
Writing zTool... OK
SW Version: TP26010y
Initialization zTool... (this can take 1-2 minutes) OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting for server answer... error(0)