SCL-L21 null IMEI

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SCL-L21 null IMEI

2018-09-07 15:26:42.081 Autodetect COM port and phone type start!
2018-09-07 15:26:43.061 Found COM port: COM25
2018-09-07 15:26:43.079 Found phone type: Huawei Android phone (Qualcomm CPU)
2018-09-07 15:26:43.098 Open COM port COM25 (DBAdapter Reserved Interface (COM25))...
2018-09-07 15:26:43.211 Start read phone info!
2018-09-07 15:26:43.221 Connecting to server...
2018-09-07 15:26:43.631 Connected!
2018-09-07 15:26:49.827 Read phone secure info...
2018-09-07 15:26:53.851 Read phone basic info...
2018-09-07 15:26:54.281 Read phone info done!

Model: HUAWEISCL-L21
PCB SN: 7N3FSH15AL093417


2018-09-07 15:26:54.462 Phone info data backup saved to file D:\GSM\huawei\HDE\HDE_240 POWERED WITH HUA TEAM\Backup\20180907_152654_7N3FSH15AL093417.BAK


2018-09-07 15:40:41.387 Autodetect COM port and phone type start!
2018-09-07 15:40:42.359 Found COM port: COM25
2018-09-07 15:40:42.443 Found phone type: Huawei Android phone (Qualcomm CPU)
New IMEI 1 : 867540026253911
New IMEI 2 : 867540026279429
2018-09-07 15:40:46.861 Connecting to server...
2018-09-07 15:40:47.543 Connected!
2018-09-07 15:40:47.560 Open COM port COM25 (DBAdapter Reserved Interface (COM25))...
2018-09-07 15:40:48.988 ERROR!
Invalid command

p9 lite flash error

SigmaKey 2.29.01b2 HiSi: Write firmware
(ADB) Repairing...HL2VENUSMAA001052.skf
Continue Repair procedure according to the manual.
Writing flash...ptable..Command not allowed
--------- 2018-09-07 17:40:40 ---------
SigmaKey 2.29.01b2 HiSi: Write firmware
(ADB) Repairing...HL2VENUSMAA001052.skf
Continue Repair procedure according to the manual.
Writing flash...ptable..Command not allowed
phone only in fastboot mode
it shoews that bootloader is unlocked but flashing with fastboot not alowd by adb command
I flashe dit with sigma

phone was working well I dont know why but ther ewas update warsaw l21 from the ota ,my son decided to upgrade and got non working phone ? please help me ?