OneSIM – eSIM/USIM Manager

OneSIM is a dedicated management app that allows users to log in with an account issued by a partner dealer to easily view their data plans, usage details, and eSIM/SIM status. Without any sign-up or payment process, users can securely check their existing SIM information and submit requests for plan changes or data top-ups directly through the app.

Plan Overview View detailed information about your purchased data plan, including validity period, available data, and remaining balance—all in one place.

Real-Time Data Usage Monitor your current data usage in real time. Monthly and country-specific usage statistics help you understand your data consumption patterns more easily.

eSIM/SIM Status Check Confirm SIM installation status, activation state, and usage state (Not Activated / Active / Completed). Additional installation guidance is provided when needed.

Plan Change & Data Top-Up Requests Submit requests for plan changes or data top-ups directly within the app. Requests are processed after approval by the dealer.

OneSIM provides only the essential functions in a simple and convenient interface, making data plan management easier than ever.