Update Cisco MPP firmware
Install new firmware from a web server.

Download the right firmware for your model from Cisco and put it on a web server the phone can reach.
Steps
- Make sure the firmware files are on a web server.
- In a browser, go to
http://PHONE-IP/admin/upgrade?http://SERVER/FILE.loads, replacing the parts in capitals. - The phone downloads the firmware and restarts.
- Check the new version under Info → Status.