Select2 closes on mobile chrome before selected

Hi all I have a problem when using select2 on my project. FYI I’m using it on ember js framework, select2 4.0.5. it closes before I select something from drop down menu. I’ve tried many things includes this from stackoverflow but nothing changed. What should I do to handle this ? Thank in advance

v4.0.5 is a bit down-level; have you tried upgrading to the latest version?