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Copper Contributor

Sep 05, 2021

AudioCodes C450HD screen issue

Looking for any help possible. I have a number of AudioCodes C450HD phones that worked fine on Skype partition as soon as they were switched to Teams android partition boot the screen is unreadable no...

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Bitblade

Copper Contributor

May 12, 2022

Did anyone ever find a solution?

Tijnee

Copper Contributor

Jul 31, 2023

Bitblade

I had the same problem with C450HD and C448HD. I was able to solve the problem as follows.
Making the switch back to Skype for Business "blindly" via SSH ScreenShots. In Skype for Business via WebGUI back to an old firmware (UCC450HD_3.4.4.1000.10). Most of the time the screen started working again. It sometimes took up to 30 minutes until the screen was legible again.

Then I installed the latest firmware for SfB (UCC450HD_3.4.6.537.20) I had the problem that the "Switch to Teams" option was missing. However, since the bootloader has been updated, you can switch to teams with "Back and OK" when starting the device without the display becoming illegible again.
With all C448HD the display was upside down. This was then fixed with an Android update.