OMG, dude, why in the world do you use the latest one ?
You own an older video card (even it is fake) so please be so kind and download an older version (from 2019-2020)
Hello again i'm sorry to bother you but i really want to solve the problem.
This is the data I tried for these nvflasch.
1. NVIDIA NVFlash 5.513.0 September 30th, 2018
-ERROR: NV_UCODE_CMD_COMMAND_PREP failed
2. NVIDIA NVFlash 5.527.0 October 18th, 2018
-ERROR: NV_UCODE_CMD_COMMAND_PREP filed
3.NVIDIA NVFlash 5.531.0 November 26th, 2018
-ERROR: NV_UCODE_CMD_COMMAND_PREP filed
4. NVIDIA NVFlash 5.558.0 May 10th, 2019
-ERROR: NV_UCODE_CMD_COMMAND_PREP filed
5.NVIDIA NVFlash 5.567.0 July 26th, 2019
-ERROR: NV_UCODE_CMD_COMMAND_PREP filed
6.NVIDIA NVFlash 5.620.0 June 8th, 2020
-ERROR: Error reading PCI Configuration Space Register (0x00000032)
Detailed :The request is not supported.
7. NVIDIA NVFlash 5.670.0 December 17th, 2020
-ERROR: Detecting GPU failed.
Nvflash CPU side error Code:2Error Message: Falcon In HALT or STOP state, abort
uCode command issuing process.