Option 1: Reboot Using the Phone’s Menu
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On the phone’s keypad, press the Menu button (the circle button in the middle of the navigation keys).
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Use the arrow keys to navigate to Reboot and press Select.
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When prompted to confirm, choose Yes.
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The phone will power cycle and return to the home screen once the reboot is complete.
Option 2: Reboot by Disconnecting Power
If the phone is frozen or unresponsive:
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Unplug the power source:
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If powered by a wall adapter, unplug the power cable from the back of the phone.
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If powered via Power over Ethernet (PoE), disconnect the Ethernet cable from the phone’s network port.
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Wait at least 10 seconds.
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Plug the power source (or Ethernet cable) back in.
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The phone will boot up automatically.
Expected Behavior
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The Grandstream logo will appear on the screen during boot-up.
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The process typically takes 1–2 minutes.
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Once the reboot completes, the phone will re-register to the network and return to the idle screen.
