XMG3927-B50A firmware version

JConus

Hi,

My Zyxel XMG3927-B50A is currently running with its stock firmware V5.13(ABQO.0)D0. I have noticed that a new firmware is now available as V5.17(ABMT.5)C0.

Will this firmware work for my device despite the different strings ((ABQO.0)D0 vs. (ABMT.5)C0) ?

Thanks

-Joel

3ll3

Hey Joel,

I update my firmware come from Swisscom (Switzerland) to the factory one this weekend because I needed to use mPro Mesh solutions from Zyxel.

Base firmware branded : V5.13(ABQO.0)D0.

Updated firmware : V5.17(ABMT.5)C0.

Please watch this video to help you : https://youtu.be/vHDUjFk9u1M

STEP 1 : Use Terminal (MacOs) or PuTTY

ssh (ip router) -l (username)

My exemple with Terminal : ssh 192.168.1.1 -l admin

STEP 2 : Follow these commands when connected

zycli

zycli modelcheck

zycli modelcheck show (Result : "ret:0")

zycli modelcheck off 

zycli modelcheck show (Result : "ret:-17")

zycli fwidcheck show (Result : "ret:0")

zycli fwidcheck off

zycli fwidcheck show (Result : "ret:-17")

exit

STEP 3 : Update your firmware with the web interface

Enjoy

SEJ

Hi,
(ABQO.0)D0 and (ABMT.5)C0 are different firmware versions for XMG3927-B50A.
It can't be loaded with different firmware versions.

3ll3

Hey Joel,

I update my firmware come from Swisscom (Switzerland) to the factory one this weekend because I needed to use mPro Mesh solutions from Zyxel.

Base firmware branded : V5.13(ABQO.0)D0.

Updated firmware : V5.17(ABMT.5)C0.

Please watch this video to help you : https://youtu.be/vHDUjFk9u1M

STEP 1 : Use Terminal (MacOs) or PuTTY

ssh (ip router) -l (username)

My exemple with Terminal : ssh 192.168.1.1 -l admin

STEP 2 : Follow these commands when connected

zycli

zycli modelcheck

zycli modelcheck show (Result : "ret:0")

zycli modelcheck off 

zycli modelcheck show (Result : "ret:-17")

zycli fwidcheck show (Result : "ret:0")

zycli fwidcheck off

zycli fwidcheck show (Result : "ret:-17")

exit

STEP 3 : Update your firmware with the web interface

Enjoy

bigkenny

Im trying to do this on a locked down KCOM isp router ZYXEL version XMG3927-B50A but when I get to putty its either freezing or times out.

When I try to do it on my own ZYXEL XMG3927-B50A it works any idea as want to update and change the locked down firmware on the KCOM modem

JConus

https://community.zyxel.com/en/discussion/comment/53441#Comment_53441

It looks like your SSH port is closed. Can you check in the web UI under "Maintenance → Remote management"?

bigkenny

well had a look only HTTP and HTTPS open nothing else in. On my own other (same model modem/router) it has loads of stuff in SSH being one of them.

I tried making a non admin account but stil the same……………its locked down to the isp config

JConus

https://community.zyxel.com/en/discussion/comment/53443#Comment_53443

If your version is below V5.15(ABMT.5)C0, you should be able to use this: https://th0mas.nl/2020/03/26/getting-root-on-a-zyxel-vmg8825-t50-router/

Obviously, don't do this unless you actually own the device.

Good luck

bigkenny

yes I have the modem still, but it looks a nightmare (after reading all that link) I`ve managed to buy another 2nd hand (same model) this one IS unlocked and even has the Firmware installed that I want (so all ok) I`m trying to get my money back for this locked unit as was it sold as locked and I was not told this.

But thanks for the info maybe one day when bored and is raining outside I might (if still stuck with it ;-) give this ago whats on your link.

Many thanks

bigkenny

I got an other spare/second hand XMG3927-B50A yesterday it had the same firmware as mine but I flashed it again and it worked ok so on v5.17 (ABMT.6)C0 same as mine then update/copied over the same setting seems to work OK. I will test it out live when kids in school Monday but looks ok and a good back up to have incase mine packs in

bigkenny

https://community.zyxel.com/en/discussion/comment/53719#Comment_53719

connected it all up this 2nd hand XMG3927-B50A and works a treat, good 2nd hand buy that works like my original :-)