please help unable to repaire imei of xperia e2212 – e3

380097254 Sigma dongle 2.19, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-08-30 10:45:21 ———
SigmaKey 2.19.00 ADB: Repair IMEI
* daemon not running. starting it now *
* daemon started successfully *
^ Android Composite ADB Interface
Version: Linux version 3.4.0 (build_admin@ubuntu_builder) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Jan 8 22:07:09 CST 2015
Phone model: Sony D2212
Android 4.4.4; Firmware: 18.5.B.0.26; Date: Thu Jan 8 21:26:16 CST 2015
Version: 18.5.B.0.26
Baseband Firmware: 8×26-AAAAANAZQ-01798-12,8×26-AAAAANAZQ-01798-12
Baseband Processor: Qualcomm MSM8226
Reading security block……….Unexpected response from the phone