GL.iNet X-3000 Spitz AX Opsætning
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Overview
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This guide walks through a clean setup for a GL.iNet X-3000 Spitz AX as a 4G/5G router with secure remote access.

Prerequisites
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- Active SIM with data plan
- APN details from your carrier
- Ethernet cable for initial setup
- Laptop connected to the router LAN

Initial Access
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1. Connect via LAN to the router.
2. Open the admin UI at http://192.168.8.1.
3. Set a strong admin password and store it.

Update Firmware
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1. Go to System -> Upgrade.
2. Check for the latest firmware and apply it.
3. Reboot and confirm version.

SIM and Mobile Settings
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1. Insert the SIM.
2. Go to Network -> Modem.
3. Set the APN provided by your carrier.
4. Save and wait for the modem to register.
5. Confirm “Connected” and verify public IP.

WAN/LAN Setup
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- If using it as primary internet:
  - Leave WAN as DHCP or static as needed.
- If using it behind another router:
  - Enable “Repeater” or bridge mode (if required).
- Set LAN IP range (e.g., 192.168.10.1/24).

Wi-Fi Setup
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1. Go to Wireless.
2. Rename SSID (2.4 GHz and 5 GHz).
3. Set WPA2/WPA3 password.

Remote Access (VPN)
-------------------
WireGuard (recommended)
^^^^^^^^^^^^^^^^^^^^^^^
1. Go to VPN -> WireGuard.
2. Create server configuration.
3. Download client config for each device.
4. Test remote access while off-site.

Backups
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1. Go to System -> Backup/Restore.
2. Download a backup after setup.

Troubleshooting
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- No mobile data:
  - Re-check APN, SIM activation, and signal strength.
- Unstable connection:
  - Lock modem bands or set preferred network mode.
- Can’t reach admin UI:
  - Factory reset using the reset pin (hold 10 seconds).

Change Log
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- 0.1.0 Initial draft

If you want, I can tailor the guide to your carrier/APN and desired VPN setup (WireGuard vs OpenVPN).