Verifying The Firmware Version; The Ip Phone Does Not Update The Configurations - Yealink SIP-T3 Administrator's Manual

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones

Verifying the firmware version

Press the OK/√ / key or select Menu > Status when the phone is idle to check the firmware version. For example
28.82.0.20.
Item
1 28
2 82
3 0
4 20

The IP phone does not update the configurations

Do one of the following:
Ensure that the configuration is set correctly.
l
Reboot the phone. Some configurations require a reboot to take effect.
l
622
Firmware ID.
The firmware ID for each IP phone model is:
96: T57W/T54W/T53W/T53/T53C
l
108: T48U/T46U/T43U/T42U
l
35: T48G
l
28: T46G
l
66: T48S/T46S/T42S/T41S
l
29: T42G
l
36: T41P
l
54: T40P
l
76: T40G
l
124: T33P/T33G/T31P/T31G/T31/T30P/T30
l
46: T29G
l
69: T27G
l
44: T23P/G
l
52: T21(P) E2
l
53: T19(P) E2
l
78: CP920
l
148: CP925
l
149: CP935W
l
Major version.
Note: The larger it is, the newer the major version is.
A fixed number.
Minor version.
Note: With the same major version, the larger it is, the newer the minor version is.
Description