Could you please try your test on another device too and double check devices' location-settings. Do have troubles with the other samples as well?
about 6 years ago
I have my phone KATA i1, I already installed the Wikitude samples.apk in my phone, then I tried to run the demo, solar system GEO based. even I have my GPS, i doesnt show anything. it only opens my camera but it cannot view any objects from my SDK. any help?