U + USIM is not an individual application that acts as an agent to enhance stability and security of USIM service through USIM library.

Therefore, please do not install the icon for mobile card, mobile credit card, USIM security service.

If the Agent is not installed, errors in USIM service such as mobile traffic card or mobile credit card may occur.

Please re-run related USIM service app after installation.

※ For Optimus LTE (LU6200) users, please upgrade to latest OS.