-
Why does the mobile router only connect to LTE even though SIM is 5G-capable?
Even if the SIM is a 5G-capable SIM, the router may still show LTE access technology because the SIM only allows access to the mobile network; it does not guarantee that the router will register on 5G NR. Common reasons: No 5G coverage or weak 5G signal at the location The router may fall back to LTE if the 5G NR signal is…
-
How to connect an printer to a FWA505 router?
If you are experiencing connectivity issues between your printer and a FWA505 router, follow these troubleshooting steps: Separate the SSIDs for 2.4GHz and 5GHz Bands: Epson printers often only support the 2.4GHz band. Access the Zyxel FWA505's web GUI and configure a dedicated SSID for the 2.4GHz network. For details on…
-
Why is my FWA510 router showing a red indicator light and not connecting to NCC?
If your Zyxel FWA510 router indicates a red light and cannot connect to the Nebula Control Center (NCC), follow these steps: Ensure ports 4335 and 6667 are not blocked by your firewall or Internet Service Provider (ISP). These ports are essential for NETCONF communication with NCC. Verify that your router is connected to…
-
Why Does My FWA710 Router Keep Disconnecting Frequently?
The issue is related to poor radio quality (low SINR values), not insufficient signal strength. High interference in the environment can cause these symptoms: Unstable throughput Increased latency and jitter Packet loss and retransmissions Steps to Improve Connection Stability: Reposition the Router: Move the device to a…
-
Why is the FWA510 device missing from my Nebula site?
If your FWA510 device is missing from the Nebula platform and cannot be monitored, here are some potential reasons and steps to resolve the issue: Possible Reasons The device may have been accidentally deregistered or reassigned to another organisation or account. The device registration status may have changed due to an…
-
Where to get the vulnerability fix firmware for mobile routers?
If you are looking to secure your mobile router against recent vulnerabilities (such as CVE-2026-1460), here is how you can access the appropriate firmware fixes and what you need to know before upgrading. Step 1: Check the Official Announcement First Before downloading any files, please visit our dedicated community…
-
Why does the mobile router go offline in Nebula after the V0 firmware upgrade?
If your mobile router shows as "offline" or loses its cloud management capabilities immediately after upgrading to a "V0" suffix firmware (such as security patch versions addressing CVE-2026-1460), this behavior is actually expected. Why This Happens The V0 firmware is a specialized, standalone security patch designed to…
-
What does the "V0" suffix in the firmware version mean?
The "V0" suffix designates a specialized, standalone security patch firmware released to address specific vulnerabilities (e.g., CVE-2026-1460) ahead of the official release cycle. Unlike standard firmware, a V0 patch focuses strictly on security remediation and disable cloud management features to ensure immediate…
-
How to unlock SIM card PIN code via mobile router(FWA505)?
The PIN protection is disabled as default setting of mobile router 2. Insert SIM card which is PIN locked by ISP 3. Login WEB GUI of FWA505 and the Cellular Info for SIM Card Status is None 4. Refresh your WEB browser via icon 5. Pop up a Warning message :SIM Card status is locked and click “OK” 6. The page will be…
-
Does FWA series CLI command provide more functions?
The command cli does not provide more functions, they are for support to troubleshoot. Please feel free to setup your device via its web GUI.
-
Does FWA series support CLI commands?
FWA series supports CLI commands, which are used for support to troubleshoot. If you want to configure your mobile router, please configure it via web GUI.
-
How to troubleshoot the issue as "No SIM Card Detected" on mobile router
Troubleshooting steps Power off the mobile router and remove the SIM card. Inspect the SIM card for dust or debris and clean it if necessary. Re-insert the SIM card firmly into the slot. Power the device back on and wait at least 5 minutes for the initialization sequence to complete. Confirm the Power LED is solid green…
-
How to extend Wi-Fi coverage with the Nebula FWA510?
The Nebula FWA510 does not support Mesh. This means it cannot connect wirelessly to any repeater or extender device directly. A wired connection to a downlink Access Point (AP) is required as the first step in expanding your network. From that wired AP, wireless mesh expansion is then possible.
-
Why I can't fix channel to 10/11/12/13 for my FWA515?
This is because the bandwidth option. 40 MHz doesn't support channel 10/11/12/13. Please fix the bandwidth to 20 MHz (Not 20/40 MHz or 40 MHz) and you will be able to select channel 11.
-
How to Configure a Wi-Fi Network on the FWA515 ?
The Wi-Fi SSID (network name) which was created in Nebula is designed for use with wireless access points, not directly with the FWA515 device. To set up the Wi-Fi network on your FWA515, please follow these steps: Connect to the FWA515: Ensure your PC or device is connected to the FWA515 LAN port using an Ethernet cable.…
-
When DCS takes effect on mobile router?
DCS only takes effect during system startup.
-
Why are there limited options for FWA devices in Nebula/Nebula APP
Currently, Nebula and the Nebula mobile app provide basic monitoring features only for FWA (mobile router) devices. Advanced configuration and device management options are not supported via Nebula at this time. For any advanced settings or configuration requirements (Cellular-related function, WiFi SSID … etc), please log…
-
How to Access USB File Sharing on Zyxel FWA505?
The USB file-sharing service on the Zyxel FWA505 router is only available for local network access. This means you can access the files stored on the USB drive only when your device is connected to the FWA505's Local Area Network (LAN). To access shared files on a USB drive connected to your FWA505 locally: Ensure your…
-
How to resolve fluctuating signal issues with an external directional antenna on an FWA-510?
If you are experiencing fluctuating signal strength and changing Cell IDs when using an external directional antenna with your FWA-510, it's likely due to the device switching between multiple base station sectors with similar signal strengths. This can lead to a significant drop in signal quality. To address this, follow…
-
How to determine if a Zyxel device, like the NR5103ev2 router, is compatible with Nebula CC?
The Zyxel Nebula Control Center (CC) platform is specifically designed to manage Nebula-compatible Zyxel devices. If you are trying to add a device like the NR5103ev2 router and receive a "not found" message, it indicates incompatibility. Understand Nebula CC Compatibility: The Nebula CC platform is built to manage…