Related post: Smile Uganda further caps Unlimited Premium data plan to 100GB for superfast internet The MiFi3 supports up to 8 devices via WiFi. So that’s essentially most of your family members at home or in a small office. It supports Smile’s 4G LTE fast mobile data network, so your speeds will clock north of 21-50Mbps on a good day which is pretty fast. Smile says this offer is valid “while stock lasts”.