ZyXEL Communications LTE5398-M904 User Manual (English)

Questions and Answers:

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Karen PriceJul 25, 2025
What to do if I forgot my Zyxel Communications Wireless Router password?
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  frobertsJul 25, 2025
  If you are having trouble logging into your Zyxel Communications Wireless Router, ensure you are entering the correct username and password. The default password is '1234'. If you still cannot log in, reset the device to its factory defaults.
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uwarrenAug 1, 2025
Why is my Zyxel Communications Wireless Router not connecting to 3G/LTE?
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  Lisa MorrisAug 1, 2025
  To resolve issues with 3G/LTE connections on your Zyxel Communications Wireless Router, verify that your LTE SIM card account is valid and has an active data plan. The issue may be that your account is invalid or has no active data plan.
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kellybreannaAug 6, 2025
How to reset the IP address on my Zyxel Communications Wireless Router?
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  Mallory FloresAug 6, 2025
  If you've forgotten the IP address of your Zyxel Communications Wireless Router after changing it, reset the device to factory defaults by pressing the RESET button for more than 5 seconds.
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smalljillAug 12, 2025
What to do if my Zyxel Communications Wireless Router interface is not displaying correctly?
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  Matthew BlackAug 12, 2025
  To resolve this issue, make sure your Internet browser is not blocking pop-up windows and has JavaScript enabled.
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zgarciaAug 18, 2025
What to do if my pre-paid SIM card is not working in my Zyxel Communications Wireless Router?
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  anthonyhicksAug 18, 2025
  If your pre-paid SIM card is not working in your Zyxel Communications Device, insert the SIM card into another LTE device to check if the SIM card still works. If the SIM card works on another LTE device, contact the vendor. If the SIM card does not work, contact your service provider.