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Page 258 of 504 M3900 Flash Download
553-3001-367 Standard 3.00 August 2005
25.30 Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard process.
There should not be M3900 Phase III
phones configured on a Release 25.15
system.
1. Follow the Large System Release
25.15 to 25.30 Re-issue procedure for
Phase I/II telephones (above).
The Release 25.30 Re-issue contains
M3900 Phase I firmware for M3905
telephones and Phase II firmware for
M3902, M3903, and M3904 telephones.
Follow the Flash Download process to
downgrade the M3900 Phase III phones
to Phase I/II firmware.
25.40,
25.40B
Ye s Phase I,
Phase II
Follow the standard software order
process.
Phase III Note: This is not a standard process.
There should not be M3900 Phase III
phones configured on a Release 25.15
system.
1. Follow the Large System Release
25.15 to 25.40/25.40B procedure for
Phase I/II telephones (above).
The Releases 25.40 and 25.40B contain
M3900 Phase III firmware for M3900
telephones.
Table 38
Flash Download procedure matrix for Large Systems (Part 12 of 15)
Present
software
Upgrade
to
software
Keycode
required
M3900
telephones
Upgrade steps