sw 6400 stuck in u-boot

[cavangboi]

Dear all, i have a sw6424 that failed after an upgrade firmware, now how can i recover it miniboot ?
Image at FF900000:
Image Name: miniboot-6.4.3.565.R01
Image Type: PowerPC VxWorks Kernel Image (gzip compressed)
Data Size: 1006719 Bytes = 983.1 kB
Load Address: 00005000
Entry Point: 00005000
Verifying Checksum ... Bad Data CRC
OK
=>
Brgs

[indexparent]

Hi Mate, Just checking if you have Upboot Version : 6.4.3.565.R01
Miniboot ersion: 6.4.3.565.R01

Thank you so much