[SOLVED] Supermicro X11DPi-NT NIC X722 Firmware NVM Update

upgrade to 4.11 via uefi went well, but 5.50 fails for me with:
Code:
./FWUpdate.sh

Intel(R) Ethernet NVM Update Tool
NVMUpdate version 1.37.28.0
Copyright(C) 2013 - 2021 Intel Corporation.

Config file read.
Inventory
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Flash inventory started.
    Shadow RAM inventory started.
    Alternate MAC address is not set.
    Shadow RAM inventory finished.
    Flash inventory finished.
    OROM inventory started.
    OROM inventory finished.
    PHY NVM inventory started.
    PHY NVM inventory finished.
[00:028:00:01]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Device already inventoried.
Update
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Flash update started.
|======================[100%]======================|
    NVM verification started.
    Shadow RAM verification started.
|>.....................[  0%]......................|
Difference found at offset 0x4E [Device=0x6767, Buffer=0x6800] - update required.
    NVM update is required.
    Shadow RAM verification finished.
Error:       Flash update failed.
    OROM: One of the module updates failed - skipping update.
    PHY NVM: One of the module updates failed - skipping update.
Update security revisions
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Skipping update minimum security revisions.
Update VPD with VPD template
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Skipping VPD update with VPD template.

even though ethotool shows 5.50 (with different end version 1.2527.0 not 1.3082.0):
Code:
ethtool -i eno1np0
driver: i40e
version: 6.10.14-zabbly+
firmware-version: 5.50 0x800032e8 1.2527.0
expansion-rom-version: 
bus-info: 0000:1c:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
 
upgrade to 4.11 via uefi went well, but 5.50 fails for me with:
Code:
./FWUpdate.sh

Intel(R) Ethernet NVM Update Tool
NVMUpdate version 1.37.28.0
Copyright(C) 2013 - 2021 Intel Corporation.

Config file read.
Inventory
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Flash inventory started.
    Shadow RAM inventory started.
    Alternate MAC address is not set.
    Shadow RAM inventory finished.
    Flash inventory finished.
    OROM inventory started.
    OROM inventory finished.
    PHY NVM inventory started.
    PHY NVM inventory finished.
[00:028:00:01]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Device already inventoried.
Update
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Flash update started.
|======================[100%]======================|
    NVM verification started.
    Shadow RAM verification started.
|>.....................[  0%]......................|
Difference found at offset 0x4E [Device=0x6767, Buffer=0x6800] - update required.
    NVM update is required.
    Shadow RAM verification finished.
Error:       Flash update failed.
    OROM: One of the module updates failed - skipping update.
    PHY NVM: One of the module updates failed - skipping update.
Update security revisions
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Skipping update minimum security revisions.
Update VPD with VPD template
[00:028:00:00]: Intel(R) Ethernet Connection X722 for 10GBASE-T
    Skipping VPD update with VPD template.

even though ethotool shows 5.50 (with different end version 1.2527.0 not 1.3082.0):
Code:
ethtool -i eno1np0
driver: i40e
version: 6.10.14-zabbly+
firmware-version: 5.50 0x800032e8 1.2527.0
expansion-rom-version:
bus-info: 0000:1c:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
Please check for new BIOS and BMC firmware; maybe you need to flash them first.