FIND
THE
PRIZE.

If accuracy is ±50m but your zone radius is 20m, the phone can't tell whether you're inside the zone or 40m away — the reading bounces more than the zone itself.

At an outdoor event like Bauma CONEXPO India you should get green or orange fairly quickly. Inside expo halls it may stay orange or red — which is why the claim radius can be increased in admin settings to compensate.