While using the FirstNet SIM card in the US, if it failed to connect to the Internet, please follow the below guide to switch to PPP protocol.
- Log in to the router admin on a web browser. Connect a phone or computer to the 4G router via Wi-Fi or Ethernet, then log in to the router. The default router IP addresses are as below. The default password is root.
EZR23 Router – http://192.168.20.1
EZR33L/EZR34 Router – http://192.168.30.1
2. Go to the interface overview page at “Network > Interfaces”. Click the “Edit” button on the “Mobile” interface.
3. Under the tab of “General Setup“, choose “4G-PPP” on the option of “Protocol“.
It will show ask you to confirm “Really switch protocol?”.
Click the button “Switch protocol”.
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4. It will jump to the 4G-PPP protocol set-up page. Select “4G-PPP” on Mobile Protocol
Make sure to use the /dev/ttyUSB2 on the Modem device.
5. Click “ Primary SIM1“. Use service type, APN and Dial number as right image shows.
Remember to reboot the router and wait for 3-5 minutes after rebooted.
| Service Type: | UMTS/GPRS |
| APN: | firstnet-broadband |
| PIN: | Leave it blank if you have not changed the default PIN code |
| PAP/CHAP username: | Leave it blank |
| PAP/CHAP password: | Leave it blank |
| Dial number: | *99# |