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Update source/_integrations/zha.markdown
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Co-authored-by: Franck Nijhof <[email protected]>
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Hedda and frenck authored Dec 30, 2024
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Expand Up @@ -589,7 +589,7 @@ Be aware that OTAU (Over-The-Air Upgrade) of Zigbee devices typically takes arou

If Zigbee firmware upgrades do not start on a battery-powered product then be aware that you usually need to "wake up the device" so that will will be able to receive commands, (because battery-powered products are sleepy devices so they normally only receive commands when the state of the device is changed). If the upgrade still does not start then try restarting the device by disconnecting the power/battery for a few seconds and try again, again make sure to activate the device by pressing a button on it right before sending the update request. Try to push a button on the device (if it has one) shortly before you start the firmware update to wake it up. Sometimes it also helps to try keeping the device awake by pushing a button repeatedly until you see the first "Updating... " message in the user interface.

Another common reason for Zigbee firmware upgrades not starting or failing is poor reception or not having a stable Zigbee network mesh. Take some basic actions to try to optimize your Zigbee network by avoiding radio frequency interference and adding many Zigbee Router devices (repeaters/extenders) to extend range and coverage. Try to follow all the best practice tips above in the [Zigbee interference avoidance and network range/coverage optimization)](#zigbee-interference-avoidance-and-network-rangecoverage-optimization) section under troubleshooting.
Another common reason for Zigbee firmware upgrades not starting or failing is poor reception or not having a stable Zigbee network mesh. Take action to try to optimize your Zigbee network by avoiding radio frequency interference and adding many Zigbee Router devices (repeaters/extenders) to extend range and coverage. Try to follow all the best practice tips above in the [Zigbee interference avoidance and network range/coverage optimization)](#zigbee-interference-avoidance-and-network-rangecoverage-optimization) section under troubleshooting.

### Zigbee network visualization in ZHA UI

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