ASA 5506X: Change from FTD to ASA IOS

We need to re-image a 5506 from Firepower Threat Defense to ASA IOS.

In ROMMON, how can I ensure that I have a stable connection between the ASA and the TFTP server to avoid packet loss?
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Mal OsborneAlpha GeekCommented:
TFTP stands for Trivial File Transfer Protocol. Unlike FTP, TFTP is over UDP, and cannot cope with packets going missing. For this reason, when reloading a 5506, usual practice would be to set up a TFTP server on a laptop, and connect directly to it with a CAT5 cable. No packets are likely to go missing that way. I use SolarWinds TFTP server, it is free, simple to install, runs on almost any Windows box, and does the job.

When loading a new boot image lie this onto a 5506, the system does a check of the image file to ensure it is valid before writing it to non volatile ram. In the event of missing packets, it will just fail; an image with bits missing will be rejected.
Mal OsborneAlpha GeekCommented:
I am guessing you already have found the instructions on how to re-image, but here they are anyway:
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