First, we need to identify the model number of the bulb in question.
Different Sengled Smart LED bulbs, have different communication protocols and thus different ways to be setup. The model number will tell us what protocols the bulb uses.
Below is an example photo of where this information can be found:
The model number will start with an E, B, W, or Z.
If the model number starts with an E or a Z, click here.
If the model number starts with a W, click here.
If the model number starts with a B, click here.