ZTE SQR-Z830 after unlock no network bar,help!

SigmaKey v.2.15.03
45…. Sigma dongle 2.15, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-02-19 14:49:10 ———
SigmaKey 2.15.03 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Android Composite ADB Interface
Version: Linux version 3.4.0-g9b6969a-00440-g86d908e ([email protected]) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Sep 25 03:22:49 CST 2014
Phone model: zte Z830
Android 4.4.2; Firmware: KVT49L; Date: Thu Sep 25 09:01:16 CST 2014
Version: Z830V1.0.0B14
Baseband Firmware: 0.1.c1.18-00004-M8926DAAAANAZM-1
Obtaining root privileges…NO
Preparing….Reconnect phone and try again
——— 2016-02-19 14:51:29 ———
SigmaKey 2.15.03 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Android Composite ADB Interface
Version: Linux version 3.4.0-g9b6969a-00440-g86d908e ([email protected]) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Sep 25 03:22:49 CST 2014
Phone model: zte Z830
Android 4.4.2; Firmware: KVT49L; Date: Thu Sep 25 09:01:16 CST 2014
Version: Z830V1.0.0B14
Baseband Firmware: 0.1.c1.18-00004-M8926DAAAANAZM-1
Obtaining root privileges…NO
Date: Sep 25 2014 00:12:50, Jul 02 2014 04:00:00, DAAAANAZ
IMEI: 86460…..
Security area saved to "C:\Documents and Settings\Admin\My Documents\SigmaKey\security backup4607021908170_zte_Z830_KVT49L.skb"
Unlocking phone…Done
Restarting phone…Done