Trouble connecting cameras

I have 3 YI 1080p home camera. Connected one camera no problem through the app. But can’t connect the other two cameras. The cameras have a solid yellow light on when I plug them in. Try to reset multiple times with the reset button in the back of the camera but nothing works. Don’t know what to do, please help!

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Thank you.

The problem might be the power supply. To test it, take the power supply from the working camera and try the other two cameras with that.