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CP900 is bricked after upgrading VC210 FW to 118.15.0.23
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Link_Yealink Offline
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Post: #7
RE: CP900 is bricked after upgrading VC210 FW to 118.15.0.23
(02-01-2021 02:14 PM)andrew.briggs@crrda.org.au Wrote:  The amount of CP900's getting bricked after a collaboration bar update delivered by MS Teams Admin portal is going through the roof.

We have about 15 devices in meeting rooms, I've lost count how many times we have had to power cycle them and restore them via a laptop and yealink firmware tool.

Then we just wait to have another room update pooch them.

Also, the buttons only work when they are USB connected into the VC210.
Also, just a final vent about the VC210, cannot use the TV speakers!

I should probably go eat some food. not very happy with this purchase.

Hi Andrew,

Once the VC210 has upgraded and the CP900 reconnects, it will enter auto upgrade progress (with the pickup button on red).
You just need to wait for 1-2mins to let it complete the auto upgrade.
https://support.yealink.com/documentFron...mentId=320

CP900(CP700)-100.420.0.39.rom
VC210-118.15.0.42.rom

If the CP900 does not recover please try factory defaulting and then manually upgrade the firmware.
Connect the CP900 to a PC, then run the USB Connect Software, hold the power button for 10s, then hold the power and volume minus button for 6s, then you can upgrade the firmware manually via the USB connect software.

BR
Link
04-13-2021 09:46 AM
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RE: CP900 is bricked after upgrading VC210 FW to 118.15.0.23 - Link_Yealink - 04-13-2021 09:46 AM

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