Service areas for Flat-rate Data Bonus Pack differ depending on USIM Card.
- Due to Best effort delivery, you may experience slower communication speed or lose your connection depending on network conditions.
- Connections may not be possible in some service areas, including tunnels; subways; indoors; areas surrounded by buildings, hills, etc.; and on the upper floors of some condominiums and tall buildings.
- Usage may not be possible in unstable reception conditions. Please note that you may suddenly lose the connection even if the antenna icon on the screen indicates maximum reception strength and you are not moving.
- Please note there are plans to add more service areas in the future, but actual starting dates and coverage are subject to change.