> For the complete documentation index, see [llms.txt](https://indoor.router.works/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://indoor.router.works/ezr23/configuration.md).

# Configuration

- [Login Router](https://indoor.router.works/ezr23/configuration/login-router.md): Connect a phone or computer to the indoor 4G router via Wi-Fi or Ethernet. And login to the router at the default router IP address 192.168.20.1.
- [Network Interfaces](https://indoor.router.works/ezr23/configuration/network-interfaces.md): The network interfaces on the 4G router.
- [Local Networks](https://indoor.router.works/ezr23/configuration/network-interfaces/local-networks.md): Configure the LAN interface to set up local intranet networks.
- [Mobile Modem](https://indoor.router.works/ezr23/configuration/mobile-modem.md): Monitor status and configure APN and Protocol on the Mobile interface.
- [Wi-Fi Hotspot](https://indoor.router.works/ezr23/configuration/wi-fi-hotspot.md): Wi-Fi has turned on by default, and the default Wi-Fi hotspot Cellular-WiFi-xxxxxx is non-encrypted.
- [Router Status](https://indoor.router.works/ezr23/configuration/router-status.md): An introduction to the router working status. Including the mobile connection, active Wi-Fi networks, connected hosts, and traffic bandwidth.
- [System Property](https://indoor.router.works/ezr23/configuration/system-property.md): Configure the router name, time zone, and admin password.
- [Firmware Upgrade](https://indoor.router.works/ezr23/configuration/firmware-upgrade.md): Describes the method for performing the file-level backup, restore, reset, and firmware upgrade on the 4G router.
- [Recovery](https://indoor.router.works/ezr23/configuration/recovery.md): Fix the issues on the Internet and wireless networks and rescue the router from misconfigurations.