SLZB-Ultima Install addons on SLZB-Ultima Microphone addon Z-Wave, POE, 4G/LTE Opening the case How to open device Prepare a flat, thin tool. This can be a small screwdriver. Insert the tool from above, between the Type-C port and the case. Carefully pull the top cover forward using the tool, leaning against the Type-C Carefully pull off the top and bottom covers Snaps locations