MT1-U06 repair imei 0049 fail

2016-02-03 14:21:49.722 Autodetect started!
2016-02-03 14:21:50.302 Found COM port: COM163
2016-02-03 14:21:50.304 Start read phone info!
2016-02-03 14:21:50.307 Open port COM163 (Android Adapter PCUI (COM163))…
2016-02-03 14:21:51.946 Phone authorize start
2016-02-03 14:21:53.334 Connecting to server…
2016-02-03 14:21:54.270 Connected!
2016-02-03 14:21:54.272 Read data from server…
2016-02-03 14:21:55.595 Read data from server success!
2016-02-03 14:21:56.123 Phone authorize success!
2016-02-03 14:21:56.126 Read basic info…
2016-02-03 14:22:00.389 Read secure info…

Firmware ver.: MT1-U06V100R001C00B221
SN: 021YHB7N38012667
Custom SN: S5B7NB93C2802839
WiFi MAC: 90:4E:2B:51:5A:B9
BlueTooth MAC: 90:4E:2B:51:5A:B8
Vendor: channel
Country: mdeast
FASTBOOT:MT1-U06V100R001C00B221_FASTBOOT
BOOT:MT1-U06V100R001C00B221_BOOT
RECOVERY:(unknow)
SYSTEM:MT1-U06V100R001C00B221_SYSTEM
MAINVER:MT1-U06V100R001C00B221
APTIME:Fri Aug 2 18:02:35 CST 2013
RAM: 2G
eMMC: 8G

2016-02-03 14:22:01.968 ERROR!

AT command error

2016-02-03 14:22:17.543 Autodetect started!
2016-02-03 14:22:18.130 Found COM port: COM163
Fixed IMEI 1 CRC: 888888888888885
Fixed IMEI 2 CRC: 777777777777776
2016-02-03 14:22:18.141 Open port COM163 (Android Adapter PCUI (COM163))…
2016-02-03 14:22:18.246 Connecting to server…
2016-02-03 14:22:19.279 Connected!
2016-02-03 14:22:19.283 Read data from server…
2016-02-03 14:22:20.614 Read data from server success!
2016-02-03 14:22:20.619 Repairing start
New IMEI 1 : 888888888888885
New IMEI 2 : 777777777777776
2016-02-03 14:22:22.163 Phone authorize start
2016-02-03 14:22:22.786 Phone authorize success!
2016-02-03 14:22:24.300 Read basic info…
2016-02-03 14:22:29.211 Read secure info…
2016-02-03 14:22:29.218 Repair IMEI 1 start!
2016-02-03 14:22:29.224 Phone secure identify start
2016-02-03 14:22:30.743 Phone secure identify fail!
2016-02-03 14:22:30.750 Repair IMEI 1 fail!
AT command error
2016-02-03 14:22:30.758 Repair IMEI 2 start!
2016-02-03 14:22:30.762 Phone secure identify start
2016-02-03 14:22:32.274 Phone secure identify fail!
2016-02-03 14:22:32.280 Repair IMEI 2 fail!
AT command error
2016-02-03 14:22:32.293 Finished!