Hi Kokho Lee, sorry for your bad experience, you can try to clear data as well as cache and restart your Android device before try again or reinstall. If you still encounter any difficulties, please contact us at https://www.facebook.com/weareunifi -Yatt
We are sad to know that your experience on the app was not satisfactory. Please share your issue with us at https://www.facebook.com/weareunifi and we will look into it at the earliest. - Adip
Hi Chong,
We are sorry for the inconvenience caused. Reach us via Live Chat, Facebook(@weareunifi) or Twitter(@unifi) for further assistance. Thank You-hasbul