FWA510 NR 5G - Keeps disconnecting from 5G

Posts: 5  Freshman Member
First Comment
edited October 2024 in Nebula

Hello,

I live in area where I am fully covered by 4G LTE and 5G NSA.
My router FWA510 connects to both of them, but after a while it disconnects from the 5G and I have to go in the router configuration web page, Network Settings-mobile broadband-band settings and change to any value and then go back to 5G-NSA/4G autoswitch to restore 5G connectivity. Then I have both LTE and 5G excellent signal quality. It is a bit annoying to restore this every day or once every other day. Maybe it could be a fix in the next firmware upgrade?

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Accepted Solution

  • Posts: 5  Freshman Member
    First Comment
    Answer ✓

    I managed to fix it by selecting autoswitch NSA-5G/4G and now it always stays on NSA-5G.

    If I set to 5G-SA/NSA - 5G/4G it fails back only to 4G.

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All Replies

  • Posts: 2,138  Zyxel Employee
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
    edited October 2024

    Hi there,

    To troubleshoot the issue, go to Network Setting > Broadband > Cellular Band > Preferred Access Technology and select NR5G-SA / NR5G-NSA / 4G (Auto Switch). Then check if the issue is resolved.

    If the problem persists, you can set up a daily reboot schedule during a time when there is minimal service impact. To configure this, go to Nebula > Site-wide > Devices > Mobile Router > Maintenance

    image.png
  • Posts: 3,756  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary
    edited October 2024

    Maybe your ISP detects your idle and disconnects you?

    I do not think a reboot is the solution

  • Posts: 5  Freshman Member
    First Comment

    No, ISP does not disconnect me. It's just that suddenly it "falls" back to LTE. If I manually change the Band to anything and then back to autoswitch, it sets the 5G back. Tried also with another router from different brand and it stays on 5G all the time...

  • Posts: 3,756  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary
    edited October 2024

    Maybe its faulty? My FWA510 stay at NR5G-NSA with EE

  • Posts: 5  Freshman Member
    First Comment

    well, I hope not

  • Posts: 1  Freshman Member
    First Comment

    I have the exact issue with my FWA510 with excellen 5G NSA signal. Honestly, this product is a bit of a pain. The UI is unproffesional, maybe i am too spoiled, most of our HW is Ubiquiti. I have tried all available firmwares, the same thing happens, the router switches back to 4G and the speed is terrible 20 Mbit/s DL 20 Mbit/s UL. Other LTE devices on the same locations achieve on LTE >200 Mbit/s DL …

    The FWA510 doesn't even try to re-connect to 5G. I'll probably returnt the device and get a different product (not from ZYXEL).

  • Posts: 10  Freshman Member
    First Comment Friend Collector

    Here the same problem with a FWA505 and 5G. Disconnects from 5G. ZyXEL is doing nothing. See also topic:

    Please ZyXEL help us!

    Nebula FWA505 and a series of issues - connection and Smart Life App

    Shlomo85
  • Posts: 10  Freshman Member
    First Comment Friend Collector
    Cellular Band.jpg

    I have changed the Cellular Band Settings from Auto to Manual, this seems to stablize the connection now for 20 hours.

  • Posts: 2,138  Zyxel Employee
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula

    Hi @lordhenry666 , @Norbak ,

    You can also check which 5G bands are supported by your ISP and switch from Band Auto Selection to the manually supported band.

    If the 5G connection is still lost after making this change, please provide your remote access information (AnyDesk/TeamViewer) and your availability. We'd like to access your FWA510 directly to collect cellular-related logs for analysis. Regarding the remote session, we can discuss the details via private message.

  • Posts: 5  Freshman Member
    First Comment
    Answer ✓

    I managed to fix it by selecting autoswitch NSA-5G/4G and now it always stays on NSA-5G.

    If I set to 5G-SA/NSA - 5G/4G it fails back only to 4G.

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