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App Store Apps > Utilities > 1O1O
1O1O icon

1O1O

by CSL Mobile Limited · Utilities · Free
On the App Store since May 2011 · Data updated 2026-10-29

1O1O is made and published by CSL Mobile Limited. AppBrain is an independent app data site and isn't affiliated with CSL Mobile Limited. The app name, icon, screenshots and description belong to CSL Mobile Limited and are shown as published on the App Store.

AppBrain's verdict

Established
Rating on App Store
1.00
4 ratings
Last updated
September 22, 2026
Size
179.0 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on 1O1O for iOS

We don't have enough comments to show example comments. Please check back later.

Store listing

By CSL Mobile Limited, from the App Store
1O1O Screenshot 1 of 6
1O1O Screenshot 2 of 6
1O1O Screenshot 3 of 6
1O1O Screenshot 4 of 6
1O1O Screenshot 5 of 6
1O1O Screenshot 6 of 6
Screenshots by CSL Mobile Limited, from the the App Store listing
Description by CSL Mobile Limited Written by the developer, not by AppBrain. Click to read.
The new 1O1O app enables users to manage a mobile service plan and account, activate 5G roaming, enjoy 86-easy convenience and access limited-period offers.


Explore and manage your mobile service:

• Monitor and manage data and voice-calling usage, as well as roaming balance
• Check your account balance, billing history and settlement, and establish automatic credit card payment
• Manage data usage for secondary SIMs and sharing of data-roaming pass entitlement

1O1O customer privileges

• Get gifts and limited-period offers via the “My Wallet & Rewards” feature, while activating free value-added services

Browse the latest mobile models, service plans and roaming options:

• Enjoy exclusive pricing privileges when making a standalone handset purchase
• Obtain data top-ups, data-roaming day passes and other value-added services

Unlock the awesome power of 5G technology:

• Access 5G services and apps
• Obtain 5G applications for music, gaming, sports, eSports, entertainment and VR
• Check over the 5G coverage map

Many more features await your pleasure.

Please note:

Selected functions and information are exclusive to 1O1O customers using a login account.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
179.0 MB
Content rating
Everyone

Technologies used by 1O1O

Releases

Updates seen on the App Store
Version
7.58
Launched
May 2011

No changelog data

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Rankings

App Store top charts

App Store Rankings for 1O1O

This app is not ranked

About the app and developer

About 1O1O

1O1O is an utilities app developed by CSL Mobile Limited.

What is the rating of 1O1O?

1O1O is rated 1.00 out of 5 stars, based on 4 ratings.

Is 1O1O free?

1O1O is free. The app size is 179.05 MB. The latest version available is 7.58. The last update was on September 22, 2026.

What are the requirements for 1O1O?

The app has a content rating of Everyone. The app has been available on the App Store since May 2011.

Developer information for CSL Mobile Limited

CSL Mobile Limited

Address:

Share 1O1O

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My HKBN: Rewards & Services icon My HKBN: Rewards & Services
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Towngas 煤氣公司 icon Towngas 煤氣公司
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