sgh-x150 flash problem

Selected model: X150
Selected com port: COM3
Selected speed port: 460800
Decode *.s3 file - please wait
segments 4
segment 1 00000000 1688 byte
segment 2 00004000 9552 byte
segment 3 00020000 4 byte
segment 4 00040000 5920832 byte
Phone must be OFF with battery
Please, connect phone and press shortly power button
Syncing phone... OK
Sending loader 1... OK
Syncing phone... OK
Sending loader 2... OK
Syncing phone... OK
Syncing phone... OK
Flash ID: B0000000B100
Syncing phone... OK
Sending *.s3 file...
bad ask - +ok!
Send s3 - fail
Elapsed time: 29 second, sw ver: 3.5.0028
-------------------------------------------------------
Elapsed time: 9 second, sw ver: 3.5.0028
--------------------------------------------------------