Upload Firmware Locally; Upgrade Via Usb - Grandstream Networks GXV3350 Administration Manual

Warning
Please do not power off or unplug the GXV3350 when the upgrading process is on.

Upload Firmware Locally

If there is no HTTP/TFTP server, users could also upload the firmware to the GXV3350 directly via Web GUI. Please follow the
steps below to upload firmware to GXV3350 locally.
1. Download the latest GXV3350 firmware file from the following link and save it in your PC.
https://www.grandstream.com/support/firmware
2. Log in the Web GUI as administrator in the PC.
3. Go to Web GUI��Maintenance��Upgrade.
4. Click the "Upload" button, a window will be prompted to select firmware file to upload.
5. Select the firmware file from your PC. Then uploading progress will show at the button where it was "Upload" in the
above step.
6. When uploading is done, users can see the upgrading process starts on the GXV3350 LCD.
7. The phone will reboot again with the new firmware version upgraded.

Upgrade via USB

For users that could not use remote upgrade or could not access the phone's Web GUI to upload firmware, upgrading via
external USB is an alternative. Follow the steps below to upgrade GXV3350 via USB.
1. Download the firmware file to PC and save it in USB.
2. Insert the USB to GXV3350.
3. Power cycle the GXV3350.
4. Wait for the LED in the upper right of the phone to light up in Green, then about 2 seconds later press the both keys " 3 "
and " * " at the same time, it will go into the upgrading process.
5. The GXV3350 will start upgrading and display the upgrading process in the screen.
6. Wait until the upgrading is done.
7. The GXV3350 will reboot itself.
Figure 11: GXV3350 Upgrade Configuration via Web GUI
Figure 12: Upload Firmware File to Update