Source note · Troubleshooting Cisco IP phones stuck upgrading firmware
For 8800 firmware 14.3(1), Cisco notes that an upgrade over the WLAN interface may take more than an hour.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- firmware download
- Deployment
- on-premises
- Region
- not restricted
- Release range
- firmware 14.3(1)
- Checked
- 2026-10-02
Sources
- Cisco IP Phone 8800 Release Notes for Firmware Release 14.3(1) — Cisco Systems · tier 2 current vendor documentation · Install the Firmware Release (WLAN note)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-wlan-slow. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-wlan-slow
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-upgrade-troubleshooting-wlan-slow,
title = {Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-wlan-slow},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-wlan-slow},
note = {Source note cucm-phone-firmware-upgrade-troubleshooting-wlan-slow, checked 2026-10-02}
}