Before you update, if your phone is managed/provisioned by Crexendo, avoid manual firmware changes unless instructed. Manual updates can cause provisioning or feature issues if the incorrect firmware branch is used.
Procedure
Desk Phones (Zero Touch Provisionable)
Yealink
Device
Required Firmware Version
Yealink T21P E2
52.84.0.125
Yealink T22P
7.70.1.20
Yealink T23G
44.84.0.140
Yealink T26P
6.60.200.240
Yealink T28P
2.60.200.242
Yealink T29G
46.83.0.120
Yealink T31G
124.86.0.40
Yealink T32G
32.70.0.168
Yealink T33G
124.86.0.40
Yealink T38G
38.70.0.185
Yealink T40G
76.84.0.125
Yealink T41P
36.83.0.120
Yealink T41S
66.86.0.15
Yealink T42G
29.83.0.120
Yealink T42S
66.86.0.15
Yealink T42U
108.86.0.70
Yealink T43U
108.86.0.70
Yealink T46G
28.83.0.120
Yealink T46S
66.86.0.15
Yealink T46U
108.86.0.70
Yealink T48G
35.83.0.120
Yealink T48S
66.86.0.15
Yealink T48U
108.86.0.70
Yealink T52S
70.84.0.70
Yealink T53W
96.86.0.70
Yealink T54S
70.84.0.70
Yealink T54W
96.86.0.70
Yealink T56A
58.83.0.15
Yealink T57W
96.86.0.70
Yealink T58W/Pro/Camera
150.86.0.50
Yealink VP59
91.86.0.20
Polycom
Device
Required Firmware Version
Polycom VVX 101
6.4.4
Polycom VVX 201
6.4.4
Polycom VVX 250
6.4.2.0
Polycom VVX 300
5.9.7.4477
Polycom VVX 301
6.4.4
Polycom VVX 310
5.9.7.4477
Polycom VVX 311
6.4.4
Polycom VVX 350
6.4.2.0
Polycom VVX 400
5.9.7.4477
Polycom VVX 401
6.4.4
Polycom VVX 410
5.9.7.4477
Polycom VVX 411
6.4.4
Polycom VVX 450
6.4.2.0
Polycom VVX 500
5.9.7.4477
Polycom VVX 501
6.4.4
Polycom VVX 600
5.9.7.4477
Polycom VVX 601
6.4.4
Polycom VVX 1500
5.9.7.4477
Polycom Edge E100
8.0.2
Polycom Edge E220
8.0.2
Polycom Edge E300
8.0.2
Polycom Edge E320
8.0.2
Polycom Edge E350
8.0.2
Polycom Edge E400
8.0.2
Polycom Edge E450
8.0.2
Polycom Edge E500
8.0.2
Polycom Edge E550
8.0.2
Polycom CCX 400
8.0.2
Polycom CCX 500
8.0.2
Polycom CCX 600
8.0.2
Snom
Device
Required Firmware Version
Snom D120
10.1.54.24
Snom D717
10.1.137.15
Snom D735
10.1.137.15
Snom D785
10.1.137.15
Grandstream
Device
Required Firmware Version
Grandstream GRP2612
1.0.9.74
Grandstream GRP2613
1.0.9.74
Grandstream GRP2614
1.0.9.74
Grandstream GRP2615
1.0.9.74
Grandstream GRP2616
1.0.9.74
Grandstream GRP2624
1.0.9.74
Grandstream GRP2634
1.0.9.74
Grandstream GRP2670
1.0.9.74
Conference Room Phones
Yealink
Device
Required Firmware Version
Yealink CP860
37.81.0.10
Yealink CP920
78.76.0.15
Yealink CP925
148.86.0.5
Yealink CP930 (DECT Yealink W60B)
77.83.0.65
Yealink CP935W - Base (DECT Yealink 70B)
149.86.0.10
Yealink CP935W
149.86.0.10
Yealink CP960
73.86.0.20
Yealink CP965
143.86.0.10
Polycom
Device
Required Firmware Version
Polycom SoundPoint 5000
4.0.16
Polycom SoundPoint 6000
4.0.16
Polycom SoundPoint 7000
4.0.15
Polycom Trio 8300
7.2.4
Polycom Trio 8500
7.2.4
Polycom Trio 8800
7.2.4
Gateway/Analog Devices
Device
Required Firmware Version
Grandstream HT813
1.0.43.11
Grandstream GXW2416
1.0.23.5
Grandstream GXW2424
1.0.23.5
Grandstream GXW2432
1.0.23.5
Grandstream GXW2448
1.0.23.5
Linksys SPA 8800 (Manual Provision only)
Device is End of Life
Cordless Devices
Device
Required Firmware Version
Yealink W52P
25.81.0.60
Yealink W60B
77.85.0.25
Yealink W70B
146.85.0.40
Snom MKLE 100
1.0.2.3c
Grandstream WP820
1.0.7.50
Paging
Device
Required Firmware Version
Snom PA1 (Manual Provision)
8.7.5.75
Cyberdata Paging Adapter (Manual Provision)
7.3.0
Cyberdata Paging Server (Manual Provision)
7.3.0
SIP Doorphone/Emergency Call Boxes
Device
Required Firmware Version
Cyberdata (Manual Provision)
Fanvil (Manual Provision)
Doorking (Manual Provision)
Viking (Manual Provision)
Escalation Information
Escalation Information: SD1
If you need additional assistance, contact Crexendo Support at 855-211-2255 or email us at support@crexendo.com