Updating phone firmware
If you have any questions or thoughts, share them in the comments section below.
I waited some 10seconds and plugged the battery back in.
I charged it enough to get into their unlocked phone and found enough clues to find the owner (but no nudes ;-).
When I plugged the phone in again to give it a full charge before mailing it back it did this stupid firmware update stuck on 0% thing. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
This is the recommended and safe method for firmware upgradation.
There are lot more ways to upgrade Cisco IP phone firmware, I would like to share all possible ways one by one.If you back up your i Phone to i Tunes, you’ll need to connect your i Phone to your computer at home to retrieve your data.