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Figure 8: GRP260X Unified Firmware
Firmware Upgrade
The GRP260X series can be upgraded via TFTP / FTP / FTPS / HTTP / HTTPS by configuring the URL/IP Address for the TFTP /
HTTP / HTTPS / FTP / FTPS server and selecting a download method. Configure a valid URL for TFTP, FTP/FTPS, or
HTTP/HTTPS, the server name can be FQDN or IP address.
Examples of valid URLs:
firmware.grandstream.com/BETA
fw.mycompany.com
Upgrade via Web GUI
Open a web browser on a PC and enter the IP address of the phone. Then, log in with the administrator username and
password. Go to Maintenance��Upgrade and Provisioning page, enter the IP address or the FQDN for the upgrade server in
the "Firmware Server Path" field and choose to upgrade via TFTP or HTTP/HTTPS, or FTP/FTPS. Update the change by clicking
the "Save and apply" button. Then "Reboot" or power cycle the phone to update the new firmware.
When upgrading starts, the screen will show upgrading progress. When done you will see the phone restart again. Please do
not interrupt or power cycle the phone when the upgrading process is on.
Firmware upgrading takes around 60 seconds in a controlled LAN or 5-10 minutes over the Internet. We recommend
completing firmware upgrades in a controlled LAN environment whenever possible.
No Local TFTP/FTP/HTTP Servers
For users that would like to use remote upgrading without a local TFTP/FTP/HTTP server, Grandstream offers a NAT-friendly
HTTP server. This enables users to download the latest software upgrades for their phones via this server. Please refer to the
webpage:
http://www.grandstream.com/support/firmware
Alternatively, users can download a free TFTP, FTP, or HTTP server and conduct a local firmware upgrade. A free window
version TFTP server is available for download from:
http://www.solarwinds.com/products/freetools/free_tftp_server.aspx
http://tftpd32.jounin.net/.
Instructions for local firmware upgrade via TFTP:
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