Motorola xt1056 sim card error

HELLO TEAM, I HAVE A MOTOROLA XT1056 SHOWING SIM CARD ERROR, SO I TRIED TO UNLOCK USING SIGMA, I HAVE SEEN SAME PROBLEM POSTED ON THIS FORUM, BUT I NEVER UNDERSTOOD HOW THEY SOLVED IT, THAT IS WHY I DECIDED TO OPEN UP A NEW THREAD, I HAVE SEEN SOME SUGGESTING TO FLASH A CERTAIN FIRMWARE, BUT I HAVE SEARCHED FOR THIS FIRMWARE, I CANT FIND IT, PLEASE IM SORRY IF I HAVE ASKED SOMETHING THAT WAS ASKED BEFORE, I JUST NEED SOME HELP

LOG:

SigmaKey v.2.14.03 build 01
692152509 Sigma dongle 2.14, Initializing…OK
Pack 1: Activated
Pack 2: Not activated
——— 2016-01-05 13:23:15 ———
SigmaKey 2.14.03b1 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Mot Composite ADB Interface
Version: Linux version 3.4.42-gc9d299f (hudsoncm@ilclbld33) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Jan 15 10:36:06 CST 2015
Phone model: motorola XT1049
Android 4.4.4; Firmware: KXA21.12-L2.7; Date: Thu Jan 15 10:25:20 CST 2015
Version: KXA21.12-L2.7
Baseband Firmware: MSM8960PRO_BP_2323.038.123.00R
Obtaining root privileges…NO
Verifying…Unsupported
——— 2016-01-05 13:29:04 ———
SigmaKey 2.14.03b1 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Mot Composite ADB Interface
Version: Linux version 3.4.42-gc9d299f (hudsoncm@ilclbld33) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Jan 15 10:36:06 CST 2015
Phone model: motorola XT1049
Android 4.4.4; Firmware: KXA21.12-L2.7; Date: Thu Jan 15 10:25:20 CST 2015
Version: KXA21.12-L2.7
Baseband Firmware: MSM8960PRO_BP_2323.038.123.00R
Obtaining root privileges…NO
Reading data…..Data error