Downgrade Firmware

[Lee-Dreyer]

Normally it is not recommend to do a downgrade of the firmware.
Can I downgrade from ex. 2.70.0.150 to 2.70.0.103 for 3CX?
Request from the 3CX support.

[Yealink Support]

Hi Lee
Of course,you can downgrade from 2.70.0.150 to 2.70.0.103.
Indeed,Yealink and 3CX are long-term strategic partner,so 2.70.0.150 can also support 3CX well.

[rick@fireflyearthworks.com]

How can i downgrade from 28.80.21.34 to your latest on your site of 66.88.25.9

[complex1]

(01-29-2021 02:26 AM)rick@fireflyearthworks.com Wrote:  How can i downgrade from 28.80.21.34 to your latest on your site of 66.88.25.9

Hi,

You can’t.
Firmware 28.xx.xx.xx (T46G) belong to another series as firmware 66.xx.xx.xx (T4xS)

Hope this will help.

[rick@fireflyearthworks.com]

(01-29-2021 03:40 AM)complex1 Wrote:  

(01-29-2021 02:26 AM)rick@fireflyearthworks.com Wrote:  How can i downgrade from 28.80.21.34 to your latest on your site of 66.88.25.9

Hi,

You can’t.
Firmware 28.xx.xx.xx (T46G) belong to another series as firmware 66.xx.xx.xx (T4xS)

Hope this will help.

Do you have the firmware for a T46g on the web site or can we get a copy emailed to us? I do not see that phone listed....

[Yisroel_MongoTEL]

(01-29-2021 06:36 AM)rick@fireflyearthworks.com Wrote:  Do you have the firmware for a T46g on the web site or can we get a copy emailed to us? I do not see that phone listed....

This is the page on the site for the T46G model:
https://support.yealink.com/documentFron...umentId=10