RNE-L21 Repair device by HCU

[yashart1290]

Hello dear friends
If anyone has information about this, please help me. Excuse me, I speak bad English
RNE-L21 device model
What exactly is RPMBKEY?
The factory also makes an error when returning
Fastboot provided info:
CPU: hi6250
Model: RNE-L21
Firmware: RNE-L21 8.0.0.315 (C185)
Vendor: hw
Country: meafnaf

CDMA Repair

2021-11-25 13:44:42.140 Repairing start
Repair as empty board
New MEID : A00185C******2
New IMEI 1 : 8688590*******3
New IMEI 2 : 8688590*******8
New IMEI 3 : 8688590*******3
New Bluetooth MAC : 5C:C3:07:94:59:C4
New WiFi MAC : 5C:C3:07:94:4B:B3
New SN : FFY5T17C28015396
New PCB SN : 5T4QGL182T003434
New Vendor : hw
New Country : meafnaf
New Model : RNE-L21
2021-11-25 13:44:42.171 Read from server...
2021-11-25 13:44:42.608 Read from server success!
2021-11-25 13:44:45.510 Read from server...
2021-11-25 13:44:45.775 Read from server success!
2021-11-25 13:44:45.775 Writing SN...
2021-11-25 13:44:45.822 Write SN success!
2021-11-25 13:44:45.853 Writing FACINFO...
2021-11-25 13:44:45.900 Write FACINFO success!
2021-11-25 13:44:45.900 Writing RPMBKEY...
2021-11-25 13:44:46.056 Write RPMBKEY fail! AT command error
2021-11-25 13:44:46.056 Writing FINGERKEY...
2021-11-25 13:44:46.087 Write FINGERKEY success!
2021-11-25 13:44:46.368 Writing HUK...
2021-11-25 13:44:47.740 Write HUK success!
2021-11-25 13:44:47.756 Writing public keys...
2021-11-25 13:44:48.520 Write public keys success!
2021-11-25 13:44:48.536 Writing SIMLOCKDATA...
2021-11-25 13:44:48.536 Phone secure identify start
2021-11-25 13:44:50.361 Phone secure identify success!
2021-11-25 13:44:51.640 Write SIMLOCKDATA success!
2021-11-25 13:44:51.640 Writing MAC...
2021-11-25 13:44:54.246 Read from server...
2021-11-25 13:44:54.495 Read from server success!
2021-11-25 13:44:54.823 Write MAC success!
2021-11-25 13:44:54.870 Writing MEID...
2021-11-25 13:44:54.870 Read from server...
2021-11-25 13:44:55.119 Read from server success!
2021-11-25 13:44:56.523 Write MEID success!
2021-11-25 13:44:56.523 Writing IMEI 1 start
2021-11-25 13:44:56.523 Reading from server...
2021-11-25 13:44:56.882 Read from server success!
2021-11-25 13:44:57.709 Write IMEI success!
2021-11-25 13:44:57.724 Writing IMEI 2 start
2021-11-25 13:45:00.018 Reading from server...
2021-11-25 13:45:00.517 Read from server success!
2021-11-25 13:45:01.312 Write IMEI success!
2021-11-25 13:45:01.328 Writing IMEI 3 start
2021-11-25 13:45:03.652 Reading from server...
2021-11-25 13:45:04.011 Read from server success!
2021-11-25 13:45:04.838 Write IMEI success!
2021-11-25 13:45:07.443 Writing Vendor and Country...
2021-11-25 13:45:07.443 Read from server...
2021-11-25 13:45:07.833 Read from server success!
2021-11-25 13:45:08.130 Writing Vendor and Country success!
2021-11-25 13:45:08.130 Writing device model...
2021-11-25 13:45:08.145 Read from server...
2021-11-25 13:45:08.410 Read from server success!
2021-11-25 13:45:08.738 Write device model success!
2021-11-25 13:45:08.738 Writing bootloader code...
2021-11-25 13:45:09.362 Write Bootloader code success!
2021-11-25 13:45:09.690 Writing OEMINFO password...
2021-11-25 13:45:10.282 Write OEMINFO password success!
2021-11-25 13:45:10.298 Writing PORTLOCK...
2021-11-25 13:45:10.345 Write PORTLOCK success!
2021-11-25 13:45:10.345 Writing FASTBOOT LOCK...
2021-11-25 13:45:10.392 Write FASTBOOT LOCK success!
2021-11-25 13:45:10.392 Writing FRP key...
2021-11-25 13:45:12.123 Write FRP Key success!
2021-11-25 13:45:12.139 Writing SIM Card Mode...
2021-11-25 13:45:13.761 Write SIM Card Mode success!
2021-11-25 13:45:14.370 Synchronize NV...
2021-11-25 13:45:14.822 Synchronize NV success!
2021-11-25 13:45:14.853 Factory reset...
2021-11-25 13:45:17.474 Factory reset success!

NEW Bootloader code: 6859317053378963
NEW PORTLOCK password: 3GTJQ3M49J3EF3DP
NEW FRP KEY: KKM9U97AHNHE405B

Finished!

Reset phone to factory default to complete operation. If reset failed, check if vendor id and country are correct and repeat operation.

[Valdemaras]

Are you repairing it in manufacture mode or via testpoint? Does phone boot up into homescreen?