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[ferokia]

I have a VMG1312-B10A with very old firmware.

I tried to upgrade with the firmware files at https://github.com/johnson442/custom-zyxel-firmware/releases from the web interface.

I get the error "Image uploading failed. The selected file contains an illegal model id."

Do these models have a "model id"?

[Edinburgh_lad]

Thing is: ZyXEL VMG stuff is very good, but the lack of (regular) firmware updates makes me wonder how secure these still are. Clearly some companies are better at updating firmware of their products than others. So, when choosing equipment, it's probably best to take that into account. (And forget about trying to match the chipset of the modem at home to that of the exchange for the sake of an extra 1Mbps or even 2.)

[j0hn]

Thing is: ZyXEL VMG stuff is very good, but the lack of (regular) firmware updates makes me wonder how secure these still are. Clearly some companies are better at updating firmware of their products than others. So, when choosing equipment, it's probably best to take that into account. (And forget about trying to match the chipset of the modem at home to that of the exchange for the sake of an extra 1Mbps or even 2.)

That's a bit of a moot point in a thread about a firmware mod for bridge mode.
Most of us use the Zyxel VMG1312-B10A as a bridge modem only.
It has 100Mb/s LAN ports and no 5GHz WiFi.
Nobody is using it online as a router.

It has no access to the internet, no gateway defined even.
The fact the firmware is old makes not a bit of difference.

[Weaver]

Hello Ferokia, and welcome to the forum!

How did you upgrade the unit - what procedure did you use?

I have never seen this problem, and I have more than half a dozen VMG 1312-B10As. I wonder if the image loader code is too old. Maybe could upgrade to the latest ZyXEL firmware and then to the johnson firmware. Or maybe you have to upgrade to an old but less old ZyXEL image and then repeat that if necessary. I had a router recently that had very out of date firmware and had exactly this boot loader problem, so I had to upgrade several times in stages.

[ferokia]

How did you upgrade the unit - what procedure did you use?

I tried upgrading the firmware through the web interface of the unit. In Maintainance/Firmware Upgrade.

I have never seen this problem, and I have more than half a dozen VMG 1312-B10As. I wonder if the image loader code is too old. Maybe could upgrade to the latest ZyXEL firmware and then to the johnson firmware. Or maybe you have to upgrade to an old but less old ZyXEL image and then repeat that if necessary. I had a router recently that had very out of date firmware and had exactly this boot loader problem, so I had to upgrade several times in stages.

The only official firmware I found, was the latest at https://support.zyxel.eu/hc/en-us/articles/4403361365778-CPE-Devices-Advanced-Downloads-Firmwares-and-other-resources-
It is version "1.00(AAJZ.17)C0". Still, I get the same error about "illegal model id". Therefore, the image loader must be indeed old.

Is there a place where I can find the full list of firmwares in order to upgrade one at a time?

[tubaman]

Do you definitely have a VMG1312-B10A and not a VMD1312-B10D as they are totally different devices?
If is a B10A then perhaps it was an ISP version?
There is a way to get to a lower level of firmware loading on these - I think you hold the reset button in, apply power and keep the reset held for about 10 seconds. You should then be able to get to the firmware flash page at 192.168.1.1. I think you'll need to assign your PC a static IP to do this as there will be no DHCP from the router.

[Weaver]

[Weaver]

Note that the B10D is an inferior device compared with the B10A, at least for ADSL2. For FTTC/VDSL2 there may not be any noticeable difference in performance.

[burakkucat]

Is there a place where I can find the full list of firmwares in order to upgrade one at a time?

I have 11 firmware images for the VMG1312-B10A stored away, safely.

They are --

• VMG1312-B10A_V1.00(AABQ.0)C0.zip
• VMG1312-B10A_V1.00(AAJZ.3)C0.zip
• VMG1312-B10A_V1.00(AAJZ.6)C1.zip
• VMG1312-B10A_V1.00(AAJZ.7)C0.zip
• VMG1312-B10A_V1.00(AAJZ.10)C0.zip
• VMG1312-B10A_V1.00(AAJZ.11)C0.zip
• VMG1312-B10A_V1.00(AAJZ.12)C0.zip
• VMG1312-B10A_V1.00(AAJZ.13)C0.zip
• VMG1312-B10A_V1.00(AAJZ.14)C0.zip
• VMG1312-B10A_V1.00(AAJZ.16)C0.zip
• VMG1312-B10A_V1.00(AAJZ.17)C0.zip

If you would please confirm that you do, indeed, have a VMG1312-B10A (and not a VMG1312-B10D) then I could make the above images available for you to download.

[ferokia]

[j0hn]

It is a B10A. If a device is branded, does that mean that it does not accept generic firmware?

It can mean that, yes.

[ferokia]

Is the serial port those pins marked as J1? Near one of the two big black capacitors.

https://www.netcheif.com/Reviews/VMG1312/PIC/board.JPG

[burakkucat]

Is the serial port those pins marked as J1? Near one of the two big black capacitors.

Yes. Referring to that image orientation the pins, from top to bottom, are:

• (No. 5) Gnd
• (No pin)
• (No. 3) Rx
• (No. 2) Tx
• (No. 1) Vcc