On right no app no pass. just says install iot app not which one. There is no english help, chinglish would be an upgrade 3 jumpers(1 for flash), 2 dip's and on off (that one I get) No clue as how to use anything else or download anything. Hot-ESP8266-Serial-Port-Wifi-Test-Board-ESP-202-Module-Development-Test-Board
Anyone know how to use this one?