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[Maxim]

I have found this site to have a wealth of good info, many thanks to all involved.

I recently got a s/h ZYXEL 8924-B10A on ebay to replace my un-reliable EE vdsl router. It is working fine but I would like to remove the Plusnet config. Reading here as I understand it I need to clear rom-d. To do that I need a supervisor login but I do not know the p/w. The p/w's I have seen here do not work nor does the device serial number.

I can Telnet in as  admin user but the dumpmdm command to reveal the p/w does not work as admin on FW v28.

I have read on here that some older FW versions do allow dumpmdm to work with admin login, from memory FW v24 was one.

Is there anywhere I can download an older FW version ? There are many links in the firmware thread for this router but they do not work anymore.

I have seen dmcdonnell's serial interface method but do not have whats needed to do it, a last resort option for me. Hope I have not missed something obvious before asking for help.

Thanks for any help.

max   

[vic0239]

I have this device although no longer in use and have archived some of the older firmware files. I have 7, 13,14,15 and 18. I don't know which might work as you hope, but am happy to upload those for you to experiment with.

[Maxim]

I have this device although no longer in use and have archived some of the older firmware files. I have 7, 13,14,15 and 18. I don't know which might work as you hope, but am happy to upload those for you to experiment with.

Thank you vic0239. I will see if I can find again the versions that work and see if you have one of them. In the meantime someone on here may know for certain which of yours would do the job  or perhaps have another solution.

max

[Maxim]

I have this device although no longer in use and have archived some of the older firmware files. I have 7, 13,14,15 and 18. I don't know which might work as you hope, but am happy to upload those for you to experiment with.

Had a look and v15 might be the one if you could upload somewhere and let me know.

thanks and regards

max

[vic0239]

No problem, V15 version here. No need for an account, just dismisss the sign-in request if asked. Good luck!

[Maxim]

No problem, V15 version here. No need for an account, just dismisss the sign-in request if asked. Good luck!

Got it, many tks.

max

[Maxim]

Installed v15 and dumpmdm worked to reveal the supervisor p/w, cleaned rom-d and put the johnson fw on. Thanks again vic0239 for your splendid and prompt help.

regards

max

[vic0239]

Glad you were able to get it sorted.