Nortel M3110 Installation Manual page 230

Page 230 of 504
Table 37
Flash Download procedure matrix for Small Systems (Part 2 of 18)
Present Upgrade to
software software
553-3001-367 Standard 3.00
M3900 Flash Download
Keycode
required
August 2005
M3900
telephones Upgrade steps
Phase II, Note: This is not a standard
process. M3900 Phase II/III
Phase III
phones should not be configured
on a Release 24.2x system.
1. Follow the Small System
Release 24.2x to Release 25.08
Reissue procedure for Phase I
telephones (above).
The Release 25.08 Reissue
contains M3900 Phase I firmware
for M3902 and M3905 telephones
and Phase II firmware for M3903
and M3904 telephones. Follow the
Flash Download process to
downgrade the M3900 Phase II
phones to Phase II/III firmware.