HappyPOS works well with all Internet systems currently available. Internet speed required It depends on the number of concurrent users. The problem is usually caused by sharing the internet service for customers the same system used for HappyPOS. This results in slower overall performance. Because of this problem, HappyPOS recommends that you separate the Internet system for HappyPOS. Or have internet backed up.
And another common problem. The surrounding area has public internet access such as in a shopping mall. If a mobile device using HappyPOS and set up an automatic connection with that public Internet provider. The device will then access the public Internet without notice. The device will not work properly. For example, It can receive customer order but unable to send order ticket. (Because it is connected outside the system), etc. It is recommended to check the connection settings of the devices before using HappyPOS.