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Zyxel NR5101 Modem Firmware Update

nsmith1979

Pro Member
Hi all!!

I've got the Zyxel NR5101 5G router which uses the RG502Q-EA modem, the firmware Zyxel provide for the modem is out of date (RG502QEAAAR11A03M4G). The latest version is RG502QEAAAR13A03M4G, which provides 5G CA.

I've got a copy of the latest firmware from Quectel but you can't upload the *.zip files directly to the NR5101, it needs to be complied to an *.img file.

My question is: Is there a way I can connect directly to the RG502Q-EA modem without having to take it out of the router? If I can connect directly to it I can use the QFlash tool to update the modem firmware.

(I've open a support ticket with Zyxel asking them to provide the new module firmware for the NR5101 but I'm not holding my breath that they'll do it).
 
Please share the name and size of the zip you received.
You currently have RG502QEAAAR11A03M4G - correct?
 
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Downloaded successfully.
I've made an .img file for you to try, check PM. No guarantee it will work though.
You do everything at your own risk.
 
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I've tried loading the *.img file in the WEB GUI but it doesn't work unfortunately. It looks like it starts processing the file but then just stops and does nothing.

Thanks for your help though.
 
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