Y54U is the rental service of portable WiFi hotspot. It is the similar WiFi coverage with mobile networks in Viet Nam in terms of using mobile data via a mobile SIM card. It provides easy access to the Internet via WIFI for up to 5 people simultaneously.

The service, available between 5:30 a.m. and 1:30 a.m. the next day, connects popular sites, including Ben Thanh Market and the backpackers' area.