huawei tablet KOB-L09 unlock failed

2018-05-31 13:45:13.001 Autodetect COM port and phone type start!
2018-05-31 13:45:14.120 Found COM port: COM140
2018-05-31 13:45:14.126 Found phone type: Huawei Android phone (Qualcomm CPU)
2018-05-31 13:45:14.239 Connecting to server...
2018-05-31 13:45:14.560 Connected!
2018-05-31 13:45:14.567 Open COM port COM140 (DBAdapter Reserved Interface (COM140))...
2018-05-31 13:45:17.947 Read phone secure info...
2018-05-31 13:45:18.209 Read phone basic info...

2018-05-31 13:45:18.252 Phone info data backup saved to file C:\Users\service-pc\Desktop\HDE NEW VERSION FULL(1)\Backup\20180531_134518_864004036344957.BAK

2018-05-31 13:45:18.257 Unlocking start
2018-05-31 13:45:18.261 ERROR!
Not supported/unknown chipset!


no dialer pad to avtivate manufacter mode.any sollution?

2018-05-31 13:51:57.284 Autodetect COM port and phone type start!
2018-05-31 13:51:58.372 Found COM port: COM140
2018-05-31 13:51:58.376 Found phone type: Huawei Android phone (Qualcomm CPU)
2018-05-31 13:51:58.380 Open COM port COM140 (DBAdapter Reserved Interface (COM140))...
2018-05-31 13:51:58.490 Start read phone info!
2018-05-31 13:51:58.501 Read phone secure info...
2018-05-31 13:51:58.794 Read phone basic info...
2018-05-31 13:51:58.831 Read phone info done!

Model: Kobe-L09A
IMEI: 864004036344957
Firmware ver.: MSM8917C00B027_AMSS Apr 15 201800:50:38
Firmware model: Kobe-L09A
Dataver: KOB-L09C238B252_DATA_Kobe-L09A_ee_gb
SN: WBM4T18427002267
PCB SN: 4T452L184L000751
WiFi MAC: 90:94:97:CA:BE:DE
BlueTooth MAC: 90:94:97:CA:B7:0D
Vendor: ee
Country: gb
eMMC: 16GB

IMEI 1 Sim Lock status:
NET: locked, unlock retry counts: 0
NETSUB: unknown
SP: unknown

2018-05-31 13:51:58.905 Phone info data backup saved to file C:\Users\service-pc\Desktop\HDE NEW VERSION FULL(1)\Backup\20180531_135158_864004036344957.BAK