Chapter 32 Firmware Upgrade
LTE Series User’s Guide
265
The following table describes the labels in this screen.
After you see the firmware updating screen, wait a few minutes before logging into the Zyxel Device 
again.
The Zyxel Device automatically restarts in this time causing a temporary network disconnect. In some 
operating systems, you may see the following icon on your desktop.
Figure 191   Network Temporarily Disconnected
After two minutes, log in again and check your new firmware version in the Status screen.
If the upload was not successful, an error screen will appear. Click OK to go back to the Firmware 
Upgrade screen.
Table 115   Maintenance > Firmware Upgrade
LABEL DESCRIPTION
Upgrade 
Firmware
Use these fields to upload firmware to the Zyxel Device.
Restore Default 
Settings After 
Firmware 
Upgrade
Click to enable this option that restores the factory-default to the Zyxel Device after upgrading 
the firmware.
Note: Make sure to backup the Zyxel Device’s configuration settings first in case the 
restore to factory-default process is not successful. Refer to Section 33.2 on 
page 266.
Current Firmware 
Version
This is the present firmware version.
File Path Type in the location of the file you want to upload in this field or click Choose File to find it.
Choose File Click this to find the .bin file you want to upload. Remember that you must decompress 
compressed (.zip) files before you can upload them.
Upload Click this to begin the upload process. This process may take up to three minutes.