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Akuvox Hard Reset without Physical Reset Button

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R20 series, R20-2 series, R25A, E12, R27, and R28 Door Phone models can be Factory Reset by Short-circuiting the Input Terminal.

*** Make sure device is Powered Off before you begin the Reset process ***

Example:

(R20A)

With Input A and GND (Ground) terminals Shorted,

Press and Hold the Call Button while Powering On the device.

Continue Pressing Call Button until the light begins Flashing then release.

Button locations for other models: