No local firmware servers – Grandstream GXP2200 User Manual User Manual
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Firmware Version 1.0.3.26 GXP2200 USER MANUAL Page 156 of 159
upgrading via SD card is an alternative. Follow the steps below to upgrade GXP2200 via SD card.
Download the firmware file to PC and save it in SD card;
Insert the SD card to GXP2200;
Power cycle the GXP2200;
When the phone starts booting up, press and hold both * and # keys at the same time for about 5
seconds;
The GXP2200 will display the upgrading process in the screen;
Wait until the upgrading is done;
The GXP2200 will reboot itself;
Check the firmware status and remove the SD card.
NO LOCAL FIRMWARE SERVERS
For users that would like to use remote upgrading without a local TFTP server, Grandstream offers a
NAT-friendly HTTP server. This enables users to download the latest software upgrades for their phone via
this server. Please refer to the webpage:
Alternatively, users can download a free TFTP or HTTP server and conduct a local firmware upgrade. A
free windows version TFTP server is available for download from:
Instructions for local firmware upgrade via TFTP:
1. Unzip the firmware files and put all of them in the root directory of the TFTP server;
2. Connect the PC running the TFTP server and the GXP2200 device to the same LAN segment;
3. Launch the TFTP server and go to the File menu->Configure->Security to change the TFTP
server's default setting from "Receive Only" to "Transmit Only" for the firmware upgrade;
4.
Start the TFTP server and configure the TFTP server in the phone’s web configuration interface;
5. Configure the Firmware Server Path to the IP address of the PC;
6. Update the changes and reboot the GXP2200.
End users can also choose to download a free HTTP server from
or use Microsoft
IIS web server.