How do I put the HP Tango into Wi-Fi setup mode?

Press and hold the Wi-Fi button on the back of the printer for 5 seconds to enter setup mode. You will know the printer is in setup mode when you see rotating blue edge lighting. Once in setup mode, you can use the HP Smart app to connect the printer. (Page 1)

From the official HP Tango manual, page 1

Have a follow-up question?

Answers from the official manual.

Common questions