NTT DOCOMO
5.3.15 ∣ Aug 27, 2025
New in OCN アプリ 5.3.15
- The push notification setting feature to receive only the information that is relevant to you has been discontinued.
- Other minor fixes have been made.
READ MORE - Other minor fixes have been made.
About OCN アプリ App
The OCN app allows you to:
(1) Check your OCN Mobile ONE usage and remaining capacity
(2) View, use, and save d points
(3) Check contract and billing information, and complete various procedures
(4) Use various support functions
This app makes it even easier to use OCN services.
Main features
(1) Check your OCN Mobile ONE usage and remaining capacity You
can see your communication usage and remaining capacity at a glance on the mobile screen. You can also see your carryover capacity and additional capacity purchased with the capacity addition option at a glance.
In addition, you can check your usage graph to understand your own usage trends on a daily and monthly basis.
*You can also check your remaining capacity using the widget function.
*If you use a shared SIM (SIM addition), you can check your usage for each SIM.
(2) View, use, and save d points
By linking your d account with your OCN account, you can view your d points on the app, use d points to pay for OCN services, and save d points every day with the visit point function.
*You must link your d account to view your d points on the app.
(3) You can check your contract and billing information and complete various procedures.
You can check your contract and billing information and make other applications on the contract information screen. In addition, those who have signed up for OCN Mobile ONE can complete procedures such as adding capacity and changing courses on the mobile screen. In addition, you can quickly check the details of voice calls (call time, destination, etc.).
(4) You can use various support functions
You can check construction information and failure information for various OCN services you are currently contracted to. In addition, we support you to use OCN services comfortably in various ways, such as FAQs, chat inquiries, and consultation communities.
This app makes it even more convenient and advantageous to use OCN services.
■ Terms of Use
Eligible users: Customers who have signed up for any of the following: OCN Mobile ONE, OCN Hikari, OCN Internet, OCN for Docomo Hikari, OCN Hikari with FLET'S, OCN Hikari "FLET'S", or OCN Value Plan, and who have an OCN email address issued at the time of signing up
Compatible devices: Android version Ver. 9.0 or later
■ Notes
Downloading the app and using the app will involve communication with the Internet. Customers will be responsible for any communication costs incurred during this process.
READ MORE (1) Check your OCN Mobile ONE usage and remaining capacity
(2) View, use, and save d points
(3) Check contract and billing information, and complete various procedures
(4) Use various support functions
This app makes it even easier to use OCN services.
Main features
(1) Check your OCN Mobile ONE usage and remaining capacity You
can see your communication usage and remaining capacity at a glance on the mobile screen. You can also see your carryover capacity and additional capacity purchased with the capacity addition option at a glance.
In addition, you can check your usage graph to understand your own usage trends on a daily and monthly basis.
*You can also check your remaining capacity using the widget function.
*If you use a shared SIM (SIM addition), you can check your usage for each SIM.
(2) View, use, and save d points
By linking your d account with your OCN account, you can view your d points on the app, use d points to pay for OCN services, and save d points every day with the visit point function.
*You must link your d account to view your d points on the app.
(3) You can check your contract and billing information and complete various procedures.
You can check your contract and billing information and make other applications on the contract information screen. In addition, those who have signed up for OCN Mobile ONE can complete procedures such as adding capacity and changing courses on the mobile screen. In addition, you can quickly check the details of voice calls (call time, destination, etc.).
(4) You can use various support functions
You can check construction information and failure information for various OCN services you are currently contracted to. In addition, we support you to use OCN services comfortably in various ways, such as FAQs, chat inquiries, and consultation communities.
This app makes it even more convenient and advantageous to use OCN services.
■ Terms of Use
Eligible users: Customers who have signed up for any of the following: OCN Mobile ONE, OCN Hikari, OCN Internet, OCN for Docomo Hikari, OCN Hikari with FLET'S, OCN Hikari "FLET'S", or OCN Value Plan, and who have an OCN email address issued at the time of signing up
Compatible devices: Android version Ver. 9.0 or later
■ Notes
Downloading the app and using the app will involve communication with the Internet. Customers will be responsible for any communication costs incurred during this process.
OCN アプリ Latest Version Info

Google Play ID: com.ntt.ocnmobileone
On this page, you have the option to download the OCN アプリ APK file for Android for free. The latest version available for Android is 5.3.15. Our website provides only original and unmodified APK files, ensuring a safe and secure download.
Report rights violation.OCN アプリ All Versions for Android
OCN アプリ 5.3.15
APKs
Multiple files available [2]