Step 1 | Unplug the phone’s LAN cable. |
Step 2 | Wait 5 seconds. |
Step 3 | Press and hold # button while plugging the phone back in. |
Step 4 | Release the # button when the light on the handset blinks red 2 times |
Step 5 | Press 123456789*0# in sequence.After you press these buttons, the phone goes through the factory reset process.If you press the buttons out of sequence, the phone powers on normally |