# OneSIM – eSIM/USIM Manager

> Log in with a dealer account to check usage, SIM status and request plan changes

Canonical page: [https://chrome-stats.com/d/com.baycon.android.b2bonesim](https://chrome-stats.com/d/com.baycon.android.b2bonesim)

## Overview

- **ID:** `com.baycon.android.b2bonesim`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** BAYCON.INC
- **Category:** TRAVEL\_AND\_LOCAL
- **Downloads:** 71
- **Last updated:** 2026-07-29
- **First published:** 2026-07-29
- **Publisher country:** KR
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.baycon.android.b2bonesim)
- **Website:** [https://www.baycon.co.kr/](https://www.baycon.co.kr/)
- **Privacy policy:** [https://cdn.softbay.co.jp/onesim/html/privacy/privacy\_ACT0063\_LT0001.html](https://cdn.softbay.co.jp/onesim/html/privacy/privacy_ACT0063_LT0001.html)

## Description

OneSIM is a management app that allows users to log in with an account issued by a partner dealer to easily view data plans, usage, and eSIM/SIM status, or request plan changes and data top-ups. Users can securely check their existing SIM information without any sign-up or payment process.<br><br>🔍 Key Features<br>1. Data Plan Overview<br>- View detailed information about your purchased data plans<br>- Check validity period, available data, and usage period in one place<br><br>2. Real-Time Data Usage<br>- Monitor current usage and remaining data in real time<br>- Access monthly and country-based usage statistics<br><br>3. eSIM/SIM Status Check<br>- Check activation status, installation state, and usage state (Not Activated / Active / Completed)<br>- Installation guidance provided when needed<br><br>4. Plan Change &amp; Data Top-Up Requests<br>- Submit requests for plan changes or data top-ups directly within the app<br>- Requests are applied after approval by the dealer<br><br>OneSIM provides only the essential features in a clean and simple interface, making data plan management easier and more convenient.

## Rankings

- #2,113,610 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.baycon.android.b2bonesim)