Hi there,
Are you able to locate the product serial number of your Jetson Module (900-XXXXX)?
Could you please try following file, it contained custom BSP patch for jetpack 6.1 (with IMX477 patch included):
sha256: BE62F1E22F19792FB9728C0D3DE70FCE36741E29BF30E908382755F2E36F2D3B
The basic process for flashing on A603 is the same with:
Please note that you’ll need to apply custom driver patch, otherwise your device will encounter errors with peripherals.