unable to change provider id !!! p7-L10

SigmaKey v.2.15.02
975665884 Sigma dongle 2.15, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-02-17 12:56:26 ———
SigmaKey 2.15.02 HiSi: Save settings
Connecting…Error writing to serial port
——— 2016-02-17 12:56:40 ———
SigmaKey 2.15.02 HiSi: Save settings
Connecting…Reboot phone and try again
——— 2016-02-17 12:56:54 ———
SigmaKey 2.15.02 HiSi: Save settings
Testing external RAM…2 Gb
Detecting flash…eMMC, Flash size: 16 Gb
Firmware: P7-L10V100R001C00B138SP01, Date: Wed Sep 24 01:10:14 CST 2014, Provider: ti/it
Boot Version: P7-L10V100R001C00B138SP01_BOOT, FastBoot Version: P7-L10V100R001C00B138SP01_FASTBOOT
Recovery Version: (unknow), System Version: P7-L10V100R001C00B138SP01_SYSTEM
WiFi address: 90671CDF13E6, Bluetooth address: 90671CDF16D4
Provider: normal/europe
Writing data…Failed
——— 2016-02-17 12:57:19 ———
SigmaKey 2.15.02 HiSi: Save settings
Testing external RAM…2 Gb
Detecting flash…eMMC, Flash size: 16 Gb
Firmware: P7-L10V100R001C00B138SP01, Date: Wed Sep 24 01:10:14 CST 2014, Provider: ti/it
Boot Version: P7-L10V100R001C00B138SP01_BOOT, FastBoot Version: P7-L10V100R001C00B138SP01_FASTBOOT
Recovery Version: (unknow), System Version: P7-L10V100R001C00B138SP01_SYSTEM
WiFi address: 90671CDF13E6, Bluetooth address: 90671CDF16D4
Provider: normal/europe
Writing data…Failed