Sony c5302 imei repair problame

SigmaKey 2.15.05b2 ADB: Repair IMEI
* daemon not running. starting it now *
* daemon started successfully *
^ ROMaster Composite ADB Interface
Version: Linux version 3.4.0-perf-ga1d7493 (BuildUser@BuildHost) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Mon Feb 10 17:23:44 2014
Phone model: Sony C5302
Android 4.3; Firmware: 12.1.A.1.201; Date: Mon Feb 10 17:23:44 2014
Version: 12.1.A.1.201
Baseband Firmware: 8960A-AAAAATAZQ-40031007-18
Baseband Processor: VISKAN HUASHAN
Software IMEI: 355810055262755
Activated, Service: NO
Security area saved to "C:\Documents and Settings\njn\My Documents\SigmaKey\security backup5810055262755_Sony_C5302_12_1_A_1_201_Mon Feb 10 172344 2014.skb"
Repaired IMEI: 355277044139249
Done
Restarting phone…Done

MY SET IS RESTART PROBLAME AFTER THIS
WHEN I FLASH THE SET …SET IS ON BUT OLD IMEI IS SHOW
SHOW

HELP SIGMA KEY TEAM