Write MEID fail!

[AidenMirs]

2020-04-21 16:16:46.695 Autodetect COM port and phone type start!
2020-04-21 16:16:47.461 Found COM port: COM6
2020-04-21 16:16:47.461 Found phone type: Huawei Android phone (HiSilicon CPU)
Fixed IMEI CRC: 869953029650082
Fixed IMEI 2 CRC: 862679030493827
Fixed IMEI 3 CRC: 862679030362931
2020-04-21 16:17:20.062 Repairing start
New MEID : A000006515D025
New IMEI 1 : 869953029650082
New IMEI 2 : 862679030493827
New IMEI 3 : 862679030362931
New Bluetooth MAC : F4:CB:52:AB8:79
New WiFi MAC : F4:CB:52:62:A7:6F
New SN : WTKDU1671ZTGSDH1
New PCB SN : DU3SVT16MGQT7BI4
2020-04-21 16:17:20.077 Read from server...
2020-04-21 16:17:20.780 Read from server success!
2020-04-21 16:17:23.951 Read from server...
2020-04-21 16:17:24.467 Read from server success!
2020-04-21 16:17:24.467 Writing SN...
2020-04-21 16:17:24.529 Write SN success!
2020-04-21 16:17:25.076 Phone secure identify start
2020-04-21 16:17:28.419 Phone secure identify success!
2020-04-21 16:17:28.435 Writing MAC...
2020-04-21 16:17:31.043 Read from server...
2020-04-21 16:17:31.559 Read from server success!
2020-04-21 16:17:32.152 Write MAC success!
2020-04-21 16:17:32.215 Writing MEID...
2020-04-21 16:17:32.215 Read from server...
2020-04-21 16:17:32.777 Read from server success!
2020-04-21 16:17:47.961 Write MEID fail! AT command error
2020-04-21 16:17:47.961 Writing IMEI 1 start
2020-04-21 16:17:47.977 Reading from server...
2020-04-21 16:17:49.836 Read from server success!
2020-04-21 16:17:51.054 Write IMEI success!
2020-04-21 16:17:51.070 Writing IMEI 2 start
2020-04-21 16:17:53.085 Reading from server...
2020-04-21 16:17:55.038 Read from server success!
2020-04-21 16:17:56.241 Write IMEI success!
2020-04-21 16:17:56.241 Writing IMEI 3 start
2020-04-21 16:17:58.256 Reading from server...
2020-04-21 16:18:04.442 Read from server success!
2020-04-21 16:18:05.676 Write IMEI success!
2020-04-21 16:18:08.878 Synchronize NV...
2020-04-21 16:18:09.394 Synchronize NV success!
2020-04-21 16:18:09.394 Factory reset...
2020-04-21 16:18:12.034 Factory reset success!
2020-04-21 16:18:12.034 Finished!

Tools:UltimateNCKHuawei_325
Device：FRD-AL00
Android:7.0

please help me.
Thanks