How to upgrade a new firmware for Wireless IADs?

FAQ ID:12589
1 Download the newest firmware from our website www.flyingvoice.com;
2 Login the webpage of your Wireless IAD, go to Administration-->Upgrade page;
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3 Click to select the firmware you want to upgrade and click  to begin upgrading;
4 The IAD will upgrade automatically and reboot itself; after the phone reboots, user can relogin the webpage and have a look at the firmware version to check if the IAD has upgraded successfully.
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Notice: 1) Do not power off  or disconnect the network when the IAD is upgrading; these may damage the VoIP ATA or the firmware file;
           2) Please contact with the technical support when user can not upgrade the firmware successfully.