
Firmware upgrade
To upgrade XonTel XT-21 speaker firmware (Use
Internet Explorer
) you must do the following steps:
1. In the
“
Update firmware
” page then click on “
Update
” to start the upgrading process and wait for 15 seconds.
Note:
Don’t power off the XonTel XT-21 speaker while upgrading process is running.
2. Refresh the page by pressing (
Ctrl + F5
) in your keyboard then click on the
“
Update firmware
”
page then click on
“
Update
” to start the upgrading process and wait for 30 seconds.
Note:
Don’t power off the XonTel XT-21 speaker while upgrading process is running.