[DarrisMackelroy]

tangentially related but useful: A while back I vibed up a script that can bit bang i2c on an x520 to reprogram SFP modules without a dedicated flasher. Hopefully this helps save someone a few $$ if they need to reflash something.

https://github.com/dcmc/x520-sfp-flash

[ahepp]

That's pretty nifty. Another affordable option I found was this "SFP Buddy" [0] for $50, which at least at the time seemed like it was about 10x less expensive than other market options. No affiliation, just bricked an ONT-on-a-stick once and had to figure out a way to reset it without breaking the bank.

[0]: https://oopselectronics.com/product/SFPB