If your Zmodo QR code is not working then the procedure will be the same as you did before while you were scanning Zmodo QR code to connect your device. But you might have skipped some steps and that can be the most possible reason for it. Follow the given procedure again to make it work.

• First step is to check the devices are correctly plugged in the power sockets.
• Camera must be plugged in properly and there must green blinking indicator on it.
• Set the wifi network frequency at 2.4 GHz.
• Log in to your Zmodo app on your smartphone.
• On the homepage of your app, you will find ‘add device’ option on the upper right side.
• Press the ‘add device’ option.
• There you will find the ‘next’ option.
• Now you will be asked to enter the wifi password but make sure you have selected the 2.4 Ghz frequency before proceeding further.
• You will get QR code on your screen for use.
• Make sure that your screen display is bright enough so that camera can read the QR code.
• There must be 8-inch gap between the camera and QR code.
• You need to hold your phone steadily for 8 seconds until you hear “device connected” command.
• Once the camera completed the scanning process it will indicate blue light, it will be solid not blinking.

Note: Make sure to follow each step properly. If you don’t hear the voice command then repeat the procedure.