Location Precision

I am collecting individual point locations for trees in Africa and I would love to constrain my point location to have an accuracy of not more than 4m. I have tried to do it manually in the form builder but when I go out in the field kobo collect and enketo do not give me the accuracy that I want (4m). I have tried to repeat the recording of the same point still it gives an accuracy of more than 4m. How can I correct this problem?

Welcome to the community, @chafika92! The accuracy should depend on the device you are using. As a GPS booster, try using this app…

Maybe it should do some help!