Source note · Troubleshooting Cisco IP phones stuck upgrading firmware
In 8800 firmware 14.4(1)SR2, the size of each firmware file downloaded during an upgrade is checked against the size recorded in the loads file to confirm integrity.
Checked 2026-10-02
During a firmware upgrade, the file size of each firmware version is cross-verified with the size documented in the loads file to ensure integrity.
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- firmware download
- Deployment
- on-premises
- Region
- not restricted
- Release range
- firmware 14.4(1)SR2
- Checked
- 2026-10-02
Sources
- Cisco IP Phone 8800 Release Notes for Firmware Release 14.4(1)SR2 — Cisco Systems · tier 2 current vendor documentation · Release notes body (exact section not identified by fetch)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck,
title = {Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck},
note = {Source note cucm-phone-firmware-upgrade-troubleshooting-size-crosscheck, checked 2026-10-02}
}