It is recommended that you check the network first. If there is no problem, re-enter the APP and try again. 2.TeraBox's upload/download speed depends on network conditions and current user numbers. It is faster when there are fewer users. 3.Become TeraBox Premium and you will enjoy high-speed channel specially for PremiumIf the above answer does not solve your problem, please go to the user feedback page and attach a screenshot of the problem. We will locate and solve the problem as soon as possible.