[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.

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Upgrade W52H and W56H firmware over the air
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Lucia_Yealink Offline
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Post: #2
RE: Upgrade W52H and W56H firmware over the air
Dear Sir,

About your problem, you can upgrade the firmware manual one by one via web interface: Setting->upgrading-> choose firmware for handset.

If there are so many handset and you want to use auto provision to upgrade the firmware, then you can use nested auto provision.
Please see the detail steps below:

1.configure a 1.cfg file,add this parameter in 1.cfg file:

2.configure a 2.cfg file, add this parameter in 2.cfg file:

3. add the auto provision URL in server URL(in my test, it is [b]
) via web interface.
Click on auto privsion now, it will ask for the autp provision server, and download 1.cfg file,upgrade W52H to, and it also ask for another provision server URL.

In this test,firstly,W52H will upgrade to, and base will obtain the second provision server URL after upgrading, and it will download 2.cfg file, upgrade W56H to, then all is done. it may spend some time to upgrade.
You can refer to the two pictures in the attachment.

Also, I will feedback it to our Product Dept to see if we can take it into consider that the base can use the "over_the_air.url=" to upgrade both the W52h and the W56h.

Best Regards,

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12-06-2016 08:44 AM
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RE: Upgrade W52H and W56H firmware over the air - Lucia_Yealink - 12-06-2016 08:44 AM

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