OCN is the official mobile companion designed to streamline your OCN Mobile ONE experience—making everything from usage tracking to account maintenance faster, clearer, and more user-friendly. Whether you're reviewing data usage, managing billing, earning d-points, or contacting support, this app offers one-touch access to essential services and ensures you stay in control of your mobile and internet contracts.
Real-Time Usage Monitoring and Capacity Management
- Always know where you stand.
- View your current data usage and remaining balance directly on the home screen.
- Track carryover data and add-on capacity from additional purchases at a glance.
- Analyze your consumption patterns with daily and monthly usage graphs.
- Check usage per SIM when using a shared plan with multiple SIM cards.
- Optionally place a home screen widget for instant access to data status.
Integrated d-Point Access and Rewards
- Turn your usage into everyday value.
- Link your d-account to view real-time d-point balances within the app.
- Use accumulated d-points to pay OCN service charges easily and directly.
- Earn daily visit points just by opening the app and checking in.
- Encourages routine usage while unlocking everyday savings and perks.
Contract and Billing Management
- Self-service tools that save time.
- Check your OCN Mobile ONE or broadband contract details anytime.
- View current and past billing statements, plan summaries, and payment status.
- Make changes to your plan—such as upgrading your data limit or modifying services—all within the app.
- Check voice call details, including time, destination, and charge breakdowns.
Support Hub for Troubleshooting and Service Info
- Help is just a tap away.
- Access construction notices, service disruption alerts, and maintenance updates.
- Use FAQs, chat-based inquiries, and access to OCN support communities for issue resolution.
- Covers all OCN services—mobile, broadband, and home internet offerings.
- Ensures users always have guidance at their fingertips.
Compatibility and Usage Conditions
- Built for accessibility and ease.
- Requires Android OS version 9.0 or later.
- Available to OCN subscribers across multiple services, including OCN Hikari, OCN Internet, and OCN Mobile ONE.
- Uses a registered OCN email address issued at the time of contract for authentication.
- Standard data usage charges may apply when accessing features over a mobile network.
Frequently Asked Questions
Q: Can I view my current mobile data balance in the app?
Yes, usage and remaining capacity are displayed on the app’s main screen.
Q: How can I earn d-points using this app?
You can earn visit points daily by linking your d-account and checking in.
Q: Is it possible to see usage per SIM with shared plans?
Yes, usage statistics are shown individually for each SIM in a shared setup.
Q: Can I use d-points to pay my OCN service bill?
Yes, once accounts are linked, you can apply points toward OCN payments.
Q: How do I check my voice call history?
Call logs including time and destination can be viewed under contract details.
Q: What support options are available in the app?
You can access alerts, FAQs, community guidance, and live chat assistance.
Version History
v5.3.6 —— 22 Apr 2024
SIM identification enhancement—in the mobile tab, users with capacity sharing can now see which number corresponds to the displayed SIM.
Docomo branding—added the Docomo logo to the splash screen.
Minor corrections—general refinements for improved usability.
v5.3.5 —— 21 Mar 2024
d Point preview—tap the visit point button to view expected point earnings.
Maintenance info access—malfunction and maintenance details now accessible from the top-right notification screen.
Home screen customization—new “Home screen display settings” option added.
Minor corrections—continued backend improvements.
v5.3.4 —— 12 Nov 2023
Minor corrections—routine fixes and adjustments.
Startup error fix—resolved issue affecting some users during device change or reinstallation (introduced in v5.3.2). Note: Reinstalling may reset traffic history and push notification settings.
