The batteries in my Keyless Smart Door Lock are completely flat, how do I open my door?
To change the batteries on your Keyless Connected Smart Door lock, you will need to connect a 9-volt battery to the emergency power supply as shown in the images below.
Please insert a 9v battery into the emergency battery terminal, located at the bottom of the device.
Now enter your master code and press the star button. You will now be able to open your door.