P a g e  |  4   
 
CHANGING DISPLAY LANGUAGE VIA AUTO DOWNLOAD MODE 
Customers can upload their own language file via local HTTP/HTTPS, FTP/FTPS or TFTP server, the 
phone requests the language file during boot up using the provided Path / Protocol.   
In order to provision the phone with the language.txt file, the following conditions are requested: 
•  Local server, HFS is used in our case as HTTP server. 
•  Valid language.txt file. 
•  GRP26xx phone. 
Note: If you have any inquiry regarding the language.txt file, please contact Grandstream support at: 
helpdesk.grandstream.com   
 
Once all the above requested details are available, users can proceed as follows : 
1.  Go to Web UI → Settings → Preferences → Language 
- Set “Display Language” to “Downloaded Language”. 
- Set “Auto language download” to “Yes”. 
 
Figure 1 : Language Download 
 
2.  Under Web UI → Maintenance → Upgrade and provisioning → Firmware 
- Put local server IP in “Firmware Server Path”. 
 
Figure 2 : Server Path and Protocol