cannot upgrade or downgrade from x.83.0.55 firmware

New Forum system requires email address which you used to apply for your account to replace your original username. Password stays the same.Please see this post for more details
http://forum.yealink.com/forum/showthread.php?tid=40344

Yealink Test Club has been officially launched. Please visit post below to get detail information. Come and join us!
http://forum.yealink.com/forum/announcements.php?aid=18

We just had the YMCS online and we are also working on the features plan on the future versions, in this regard we are need to hear your voice about the YMCS.
Please visit : http://forum.yealink.com/forum/showthread.php?tid=42322

Thread Rating:

0 Votes - 0 Average
1
2
3
4
5

Threaded Mode \| Linear Mode cannot upgrade or downgrade from x.83.0.55 firmware
Author	Message

kenhoosen Offline

Junior Member

Posts: 6

Joined: Aug 2017

Reputation: 0

Post: #1

cannot upgrade or downgrade from x.83.0.55 firmware

We are using 3CX and have recently updated 3CX to version 16. We have several Yealink phones that are on version x.83.0.55 firmware and 3CX states that this version is unsupported. When I attempt to update the phones to a more current firmware, I get a firmware update failed message. To troubleshoot the issue, I have tried both upgrading and downgrading the firmware but, it fails every time. Phone models that we have this issue with are T41S and T21P_E2.

Anyone else have this issue (and possibly a solution)?

Thanks.

10-23-2019 03:36 PM

« Next Oldest | Next Newest »

Messages In This Thread

cannot upgrade or downgrade from x.83.0.55 firmware - kenhoosen - 10-23-2019 03:36 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - complex1 - 10-23-2019, 05:51 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - kenhoosen - 10-23-2019, 07:32 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - mujizac - 10-23-2019, 08:42 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - kenhoosen - 10-23-2019, 09:40 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - bardentech - 12-02-2019, 06:22 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - kenhoosen - 12-02-2019, 08:26 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - bardentech - 12-02-2019, 08:31 PM

RE: cannot upgrade or downgrade from x.83.0.55 firmware - kenhoosen - 12-02-2019, 09:07 PM

Possibly Related Threads...
Thread:		Author	Replies:	Views:	Last Post
	T48 won't upgrade	lonvoice	11	430	Yesterday 04:08 PM Last Post: lonvoice
	Need to remove custom Fonality firmware	1CCT	8	3,138	09-09-2019 07:12 PM Last Post: MongoTEL_Support
	Firmware update failed, any options?	srenton	2	1,958	07-31-2019 07:21 AM Last Post: antoineg
	Updating Firmware on T42S	DBM14386	3	1,478	07-24-2019 11:09 AM Last Post: Babylonia
	T48G S4B firmware and WF40 wifi dongle	noel_leahy	8	5,236	07-23-2019 06:04 AM Last Post: Babylonia
	T48S after Firmware update to 66.9.0.80 no Downgrade possible?	thomas.hauff	1	661	07-15-2019 03:06 PM Last Post: East_Yealink
	EHS36 Firmware via T46G - User Name Password	Richard242	1	525	07-12-2019 08:36 AM Last Post: Travis_Yealink
	BLF not working since firmware 66.82.x.x	Jeremy17	1	950	05-30-2019 07:52 PM Last Post: Autus Technology_Support
	Typo in Firmware 66.84.0.15	snusnu	1	680	05-24-2019 12:22 PM Last Post: Travis_Yealink
	Current Firmware T49G?	Joseph1823	0	534	03-28-2019 05:08 PM Last Post: Joseph1823

Forum Jump:

User(s) browsing this thread: 1 Guest(s)

Log in