please check and provide the build NO of device to us .(build No details info is in the setting)
ArcFaceDemo_RK3568:http://service.telpo.net:8091/index/user/fetfile?key=aHlzEeTFIXRM1o0k
ArcfaceAcvivateDemo_RK3568_20220616:http://service.telpo.net:8091/index/user/fetfile?key=4qsFxapUVX07QtNe
if you need lisence and sdk ,please contact the sale who sell the device to you.Thanks