First authentication failed retrying --help!

TwinbornPlate75

I purchased ufi dongle few days ago,then I find no matter when I try to flash ,it always shows this error.Is there any thing wrong with the auth server?If not,how can I fix it?

qlapbnd

Firmware package: venus_images_V12.0.17.0.RKBCNXM_20210115.0000.00_11.0_cn_chinatelecom_f22c752fbe
Scanning for Qualcomm HS-USB QDLoader 9008 device...
Download Port: Qualcomm HS-USB QDLoader 9008 (COM6)
Connection status: XHCI:HUB3[#8]:USB 2.10 High-Speed
USB Device: [Qualcomm CDMA Technologies MSM] QUSB_BULK_CID:041D_SN:FACBFD6E
USB Driver: [Qualcomm Incorporated] qcusbser:qcusbser.sys, version: 2.1.2.0, date: 7-8-2015
Initializing...
MSM Serial number: 0xfacbfd6e
MSM HW ID: 0x001350e1 , OEM ID: 0x0072 (Xiaomi), MODEL ID: 0x0000
OEM Public Key Hash: 1bebe3863a6781db4b01086063007334de9e5ca14971c7c4f4358ec9d79cda4692ce5e948c6fd409408f4c919fcadfe3
SBL SW version: 1
Firehose: prog_firehose_ddr.elf
hash: 5410173b4d66247dd8115ecb268390aa6fbb9113, size: 937.59 KiB
oem version: c5-xm-ota-bd002.bj
qc version: BOOT.MXF.1.0-00395-LAHAINA-1
variant: SocLahainaLAA
Loading firehose... Done
Handshaking...
Sending ping... Done
INFO: Binary build date: Jan 15 2021 18:43:56
INFO: Chip serial num: 4207672686 (0xfacbfd6e)
Sending configurations...
Requesting flash signature from server...
First authentication failed, retrying ...
ERROR: Only nop and sig tag can be recevied before authentication.

last 2 moth try flashing but always ERRORRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
Mi 11 (venus) 5 credits
my credits balance: 7

AvickCellular

auth error solution in ufibox?????
Requesting flash signature from server...
[SERVER] XIAOMI_FL [sakura,04e1095c] cost: 0, your balance: 10
This authorization request was handled free of charge for a limited time.
First authentication failed, retrying ...
ERROR: Only nop and sig tag can be recevied before authentication.