Do not turn on the Gimbal without a phone mounted on it. Please remove your phone case first. (1)Push and open the phone holder, insert the smartphone (2) Make the home button side as close as possible against to the tilt motor. (3)Adjust the smartphone balance with balancing knob until it stays still when rotate the roll axis up and down (4)Turn on the gimbal 【Bluetooth Connection】 (1)Make sure Bluetooth is on and is not connected to other devices (if any, disconnect it from the phone setting first) (2)Open the Hohem Joy APP, click--Connecting Device. In the stabilizer model selection interface of the app, manually select the corresponding stabilizer model, and click on to connect the device. (3)If you still fail to connect after trying the opertion 1&2 , please turn off your Bluetooth, re-download the Hohem Joy APP again, and repeat