Reset Yealink phone to factory settings (lost password)
T73/T74
Press and hold the OK key for 5 seconds
Then press OK on the screen to reset to factory settings
T53/T53W/T54W
Press and hold the OK key for 5 seconds
Then press OK on the screen to reset to factory settings
T57W
Press and hold the redial key for 5 seconds
Then press OK on the screen to reset to factory settings
T41P/T41S/T42S/T46G/T46S/T48G/T48S
Press and hold the redial key for 5 seconds
Then press OK on the screen to reset to factory settings
MP54/MP58
Press and hold * and # together for 5 seconds
Then press OK on the screen to reset to factory settings
AX83H/AX86R
Press and hold the center button in the middle of the circle for 10 seconds
Then press OK on the screen to reset to factory settings
Reboot Phone
T53/T53W/T54W
Press and hold the X key for 5 seconds
T57W
Press and hold the * key for 5 seconds
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